Geographic atrophy icd 10. H31. Geographic atrophy icd 10

 
H31Geographic atrophy icd 10  Injection, pegcetacoplan, intravitreal, 1 mg*

gov, October 6, 2022), 2 with promising results in Phase III. 52 is a non-billable. This is the American ICD-10-CM version of D75. This patient demonstrates advanced. Purpose : To study patients with geographic atrophy (GA) across clinical practices in the United States and evaluate clinical characteristics and disease progression in patients with GA. 3,4 Geographic atrophy is typically bilateral, 5 and lesionYou can develop both geographic atrophy and wet macular degeneration. Uncover ways of working as a unified team with your colleagues for your patients. , the development and enlargement of atrophy outside the fovea with involvement of the. The 2024 edition of ICD-10-CM H44. ICD-10-CM Code. Permanent J-Code. This is the American ICD-10-CM version of N42. Officials with the FDA have approved pegcetacoplan injection (Syfovre; Apellis Pharmaceuticals) as the first and only treatment for geographic atrophy (GA) secondary to age-related macular degeneration. The application for the first potential drug indicated for treatment of GA was submitted by Apellis Pharmaceuticals,. 10-digit: 73606-020-01 and 11-digit: 73606-0020-01. Toggle navigation. Engl. However, in addition to providing granular severity and laterality information for geographic atrophy, ICD-10 codes were used in this study based on existing literature and recommendations to identify patients with geographic atrophy. on August 16, 2023. Muscle wasting and atrophy, not elsewhere classified, back, lumbosacral. The 2024 edition of ICD-10-CM G31. ORT is most commonly seen in neovascular age-related macular degeneration (AMD) but is also seen in various chronic degenerative retinal disorders. H 35. Introduction. 30 is a billable diagnosis code used to specify a medical diagnosis of unspecified macular degeneration. A 'billable code' is detailed enough to be used to specify a medical diagnosis. Findings include numerous small yellow drusen on examination, which are more obvious on fundus auto-fluorescence. heart disease. 89 - other international versions of ICD-10 K31. K31. 3110 - H35. high blood pressure (hypertension) obesity. 31 and H35. ICD-10-CM Code for Nonexudative age-related macular degeneration, bilateral H35. Primary optic atrophy, left eye. Geographic atrophy (GA) is an advanced form of age-related macular degeneration (AMD) that leads to progressive and irreversible vision loss. 3113 - Nonexudative age-related macular degeneration, right eye, advanced atrophic without subfoveal involvement;Purpose : To assess the accuracy of clinically documented geographic atrophy (GA. 3114 became effective on October 1, 2023. cdc. This is the American ICD-10-CM version of K14. Diseases of the nervous system. Subscribe to Codify by AAPC and get the code details in a flash. Current murine models fail to fully recapitulate the. The 2024 edition of ICD-10-CM K31. 093 became effective on October 1, 2023. 9 became effective on October 1, 2023. Z90. This is the American ICD-10-CM version of H31. [1] It is a well circumscribed, bilateral and symmetrical lesion with loss of retinal and choroidal tissue in the macular area. 091 became effective on October 1, 2023. Geographic atrophy (GA), also known as atrophic age-related macular degeneration (AMD) or advanced dry AMD, is an advanced form of age-related macular degeneration. 09 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. 1 Retrospective data analysed from multicentre clinical trials demonstrate the necessity of long term follow-up of patients treated with anti-vascular endothelial growth factor (anti-VEGF) agents, both to monitor long. 4 - other international versions of ICD-10 K14. This is the American ICD-10-CM version of K14. 29 became effective on October 1, 2023. The symptoms of geographic atrophy range from uncharacteristically slow reading speed to problems with contrast sensitivity, which may make it hard to work in dim lighting. 1 [convert to ICD-9-CM] Atrophy of kidney (terminal) Atrophy of kidney; Renal atrophy; Unilateral renal atrophy. H35. Izervay slowed progression of geographic atrophy effectively and quickly in clinical trials. However, the involvement of the different. 019 - other international versions of ICD-10 H31. 4 Accurate documentation of GA is important for patients in clinical trials and for new therapies as. This is the American ICD-10-CM version of H47. Aetna will not provide coverage for the treatment of geographic atrophy (GA) secondary to a condition other than AMD (such as Stargardt disease, cone rod dystrophy, toxic maculopathies). The U. Atrophy of the optic disk which may be congenital or acquired. 019 contain annotation back-referencesAreas of geographic atrophy developed over 2 years in 61% of eyes. 522 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Code History. The 2024 edition of ICD-10-CM D75. Researchers analyzed data from 4 population-based, cohort studies conducted between. N42. The purpose of this study was to characterize the incidence of GA, the interrelationship between GA and choroidal neovascularization (CNV), the mean best. Learn how to code for dry and wet AMD, including geographic atrophy (GA), using the ICD-10 codes H35. scarring or diffuse, geographic atrophy of the macula. Official Long Descriptor. For claims with a date of service on or after October 1, 2015, use an equivalent ICD-10. 269 became effective on October 1, 2023. Atrophic age-related macular degeneration. Code History. DescriptionThis is the official approximate match mapping between ICD9 and ICD10, as provided by the General Equivalency mapping crosswalk. PurposeThe purpose of the study was to investigate the association between area and presence of geographic atrophy (GA) and renal function, as measured by glomerular filtration rate (GFR). The 2024 edition of ICD-10-CM H44. 093 : H00-H59. Pars plana cysts are clear, bullous balloon-like structures that extend from the non-pigmented ciliary epithelium of the pars plana to the peripheral retina under the vitreous cortex (Figure 4). 213 may differ. Geographic atrophy (GA) secondary to age-related macular degeneration (AMD) affects >5 million people worldwide and is associated with profound visual dysfunction and irreversible vision loss as the disease progresses. Significant atrophy of the retinal pigment epithelium (RPE) was frequently apparent beneath. H02. This study explores whether any surrogate biomarkers are specifically associated with GA. 091 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. 521Atrophy of globe, right eye. “With no treatment options available for patients with geographic atrophy secondary to dry age-related macular degeneration the FDA’s. Age-related macular degeneration; Geographic atrophy. WALTHAM, Mass. cated areas of atrophy of the retinal pigment epithelium (RPE), outer retinal tissue, and choriocapillaris [3]. Introduction. Post hoc analysis of a phase 3 multicenter, prospective, randomized, double-masked, active treatment-controlled clinical trial. 89 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. high blood pressure (hypertension) obesity. 093 may differ. A 'billable code' is detailed enough to be used to specify a medical diagnosis. 2% in the GA:GA cohort and 30. 2023 - New Code 2024 Billable/Specific Code. 607 Minor skin disorders without mcc. N42. H47. Subscribe to Codify by AAPC and get the code details in a flash. Phthisis bulbi. The 2024 edition of ICD-10-CM K76. This is the American ICD-10-CM version of H47. They more. 219 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. This is the American ICD-10-CM version of H05. Geographic atrophy (GA) is an advanced form of age-related macular degeneration (AMD), characterized by atrophic lesions that first start in the outer retina and progressively expand to cover the macula and the fovea, the center of the macula, leading to irreversible loss of vision over time. Geographic Atrophy (GA) is an advanced form of dry macular degeneration in which large, well-demarcated sections of the retina stop functioning. Although the pathogenesis of GA has been studied extensively, there Key messages Studies have identified an increased mortality rate among individuals with geographic atrophy (GA) secondary to age-related macular degeneration. FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016. heart disease. Introduction Geographic atrophy (GA) is considered the late stage of the dry form of age-related macular degeneration (AMD)(1). The result is a “window view” of the choroid and sometimes the sclera. The loss of vision is acute and progressive. H44. ICD-10-CM Coding Rules See full list on eyewiki. 5A2. This is the American ICD-10-CM version of H31. 291 for Other optic atrophy, right eye is a medical classification as listed by WHO under the range - Diseases of the eye and adnexa . 091 became effective on October 1, 2023. Purpose To examine the association between geographic atrophy (GA) disease characteristics and mortality risk. Up to 20%. 881 MGD, right upper lid. Hypertrophic neuropathy of infancy. Purpose of review: This review describes therapeutic research programs for geographic atrophy (GA) due to age-related macular degeneration (AMD). As it is gradual, those with late stage AMD will have had the. Why I Asked My Doctor About Geographic Atrophy Treatment. 30 became effective on. Macular degeneration is an eye condition that affects the. The 2024 edition of ICD-10-CM H44. 31x4) based on the Academy's preferred practice patterns. It leads to significant bilateral central loss of vision. K14. 20 may differ. Find out the laterality, staging, and prognosis of GA and how to use it for billing and documentation purposes. 019 became effective on October 1, 2023. In another study, 27 eyes with myopic CNV were followed for at least 10 years. The 2024 edition of ICD-10-CM Z90. I tell thee it is always advancing. This was the first year ICD-10-CM was implemented into the HIPAA code set. Geographic atrophy (GA) of the retinal pigment epithelium (RPE) is a term used originally by Gass 1 to designate one form of late age-related macular degeneration (AMD). Currently there is no approved or effective treatment. Retinal pigment epithelial atrophy. 119 may differ. GA is distinct from wet or neovascular AMD (nAMD), the other form of advanced AMD. 31 and H35. This is the American ICD-10-CM version of H44. 70. Geographic atrophy (GA) is a late-stage of dry age-related macular degeneration (AMD). 2 may differ. This is the American ICD-10-CM version of G32. OMIM. Disease and Epidemiology. H35. K76. In simple terms, Geographic Atrophy (GA), is an advanced form of dry age-related macular degeneration (AMD) that causes cell death (atrophy) in areas of the retina and can lead to irreversible vision. Nonexudative AMD Nonexudative (dry or atrophic) AMD accounts for 90 percent of allVersions 10, 11 Beta Draft, 10 Clinical Modification, and Proposed 11 ICD-1017 and ICD-10-CM (2016)18 ICD-11 Beta Draft21 ICD-10-CM (2017)19,20 and Proposed ICD-11 Current international version of ICD by the WHO Former (FY2016) US version of the ICD-10-CM by the CDC Draft international version of ICD-11 by the WHO; revisions still in progressICD-10-CM; H35. 0 Infantile spinal muscle atrophy type I G12. Purpose: To systematically characterize histologic features of multiple chorioretinal layers in eyes with geographic atrophy, or complete retinal pigment epithelium (RPE) and outer retinal atrophy, secondary to age-related macular degeneration, including Henle fiber layer and outer nuclear layer; and to compare these changes to those in the underlying RPE. There are no disease-modifying treatments available for geographic atrophy (GA), the advanced form of dry age-related macular degeneration. 11-13. H44. Geographic atrophy is a chronic progressive condition that tends to occur in the late stage of age-related macular degeneration (AMD). Recognising geographic atrophy and risk factors for its progression is vital. Age-related macular degeneration is marked by overlapping, but distinct, risk and protective factors for progression to geographic atrophy and geographic atrophy expansion. 1, 2 However, minimum sizes to define atrophic patches vary. 0 may differ. Myopic CNV is the most common cause of vision loss in high myopia and has been reported in 5% to 10% of cases of. In age-related macular degeneration (AMD), geographic atrophy (GA) is the defining lesion of the atrophic form of late disease. Find out how to define geographic atrophy (GA) and its treatment codes (H35. org Learn how to use the ICD-10 codes for dry AMD (H35. 312 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. 1-3 There are no standard treatment guidelines for GA, but early detection is important because a new therapy. Geographic atrophy is a chronic, progressive condition with no effective treatment, resulting in a poor prognosis and significant unmet needs. 72e5. 4 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. 211 may differ. The final changes were posted on the CDC website on August 22, 2016. Changes in the correct visual acuity and reduction in geographic atrophy progression were evaluated. Geographic atrophy diagnosis in the IRIS® Registry: a comparison between images and ICD-10 codes Zhongdi Chu1, Kim Le1, Theodore Leng1,2, Durga Borkar3, Carlos Candano1, Aishwarya Ramakrishnan1, Ketki Khapare1, Michael Mbagwu1,2, Aracelis Z Torres1 1Verana Health, San Francisco, CA, USA 2Byers Eye Institute at Stanford, Stanford. 50 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 362. Geographic Atrophy Diagnosis in the IRIS Ⓡ Registry: A Comparison Between Images and ICD-10 Codes Zhongdi Chu, Ph. The patients by now, because the foveal became involved, are starting to use their eccentric fixation with a. 362. It leads to vision disturbances. Although there is currently no approved treatment for GA, improved understanding of AMD mechanisms and risk factors has. Disease name: Spinal muscular atrophy ICD 10: G12. Open in a separate window. 319 - other international versions of ICD-10 H05. Geographic atrophy (GA) is an advanced stage of age-related macular degeneration (AMD) that leads to gradual and permanent vision loss. In the “wet” type of macular degeneration, abnormal blood vessels (known as choroidal neovascularization or CNV) grow under the retina and macula. ICD-10-CM Code. Added ICD-10-CM H35. Geographic tongue, also known by several other terms, is a condition of the mucous membrane of the tongue, usually on the dorsal surface. However, around 10% of all AMD-related vision loss of 20/200 or worse is due to geographic atrophy of the foveal center. It is the advanced stage of dry ARMD. ”1. Purpose: Late-onset central areolar choroidal dystrophy (CACD) may easily be confused with geographic atrophy (GA) in AMD. 0 [convert to ICD-9-CM] Acute vaginitis. Symptoms of Geographic Atrophy. Methods: Confocal scanning laser ophthalmoscopy images of 413 eyes of 413 patients with GA secondary to AMD (median age, 77. Geographic atrophy is estimated to affect approximately 5 million globally, and its prevalence increases exponentially with age. It is defined as a sharply delineated round or oval area of hypopigmentation or depigmentation or absence of the RPE. This is the American ICD-10-CM version of G60. Geographic atrophy (GA) secondary to age-related macular degeneration (AMD) is a retinal neurodegenerative disorder. The 2024 edition of ICD-10-CM G31. Outer retinal atrophy develops in eyes with regression of SDD, a newly recognized form of late age-related macular degeneration. 52 - other international versions of ICD-10 H44. BILLABLE | ICD-10 from 2011 - 2016. Geographic tongue is characterized by areas of atrophy and depapillation (loss of papillae), leaving an erythematous. 0% in the GA:nAMD cohort progressing to VA worse than 20/40 at 24 months. 3131 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. This is the American ICD-10-CM version of H47. 50 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Geographic atrophy is an advanced form of AMD 1,10,11 characterised by irreversible and. Diseases of the eye and adnexa. Geographic atrophy can affect one or both eyes, and a patient with geographic atrophy in one eye is more likely to develop it in the other. GA is distinct from wet or neovascular AMD (nAMD),. It is found in the 2023 version of the ICD-10 Clinical Modification (CM) and can be used in all HIPAA-covered transactions from Oct 01, 2022 - Sep 30, 2023 . 093 - other international versions of ICD-10 H31. Recent findings: There are currently no treatments for GA, a form of advanced AMD that causes significant visual morbidity. The aim of this study was to describe the. 3134 ICD-10 code H35. 3223 became effective on October 1, 2023. This is the American ICD-10-CM version of H44. 5 for Muscle wasting and atrophy, not elsewhere classified is a medical classification as listed by WHO under the range - Soft tissue disorders . Toggle navigation. Find out the laterality, staging, and prognosis of GA and how to use it for billing and documentation purposes. Subscribe to Codify by AAPC and get the code details in a flash. 3% of people between the age of 75-84, increasing to nearly 22% after 90 years of age. Ophthalmology Qdata Module to Provide Real-World Evidence from GA Patients in American Academy of Ophthalmology's IRIS® Registry SAN FRANCISCO, April 19, 2023 /PRNewswire/ -- Verana Health&#xAE. These new blood vessels may then bleed and leak fluid, causing the macula to bulge or lift up from. Based on published studies, approximately one. Geographic atrophy (GA) is a progressive, advanced form of age-related macular degeneration (AMD), and is characterized by irreversible atrophy of the retinal pigment epithelium photoreceptors and choriocapillaris, 1, 2 and is therefore associated with significant, irreversible loss of vision. Peripapillary atrophy may either be white, yellow, or black in color, depending on. *Dose descriptor is assigned by CMS; please see full prescribing information for approved dosing. family history of atrophic macular degeneration. Showing 51-75: ICD-10-CM Diagnosis Code H35. 89 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. K14. 5% of those over age 75. It is found in the 2024 version of the ICD-10 Clinical Modification (CM) and can be used in all HIPAA-covered transactions from Oct 01, 2023 - Sep 30, 2024 . Request a Demo 14 Day Free Trial Buy Now. Geographic atrophy (GA) is an advanced form of age-related macular degeneration (AMD), characterized by atrophic lesions that first start in the outer retina and progressively expand to cover the macula and the fovea, the center of the macula, leading to irreversible loss of vision over time. Introduction. 3110, H35. ICD-10 Diagnosis Codes: H47. Geographic atrophy is defined by the presence of sharply demarcated atrophic lesions of the outer retina, resulting from loss of photoreceptors, retinal pigment epithelium (RPE), and underlying choriocapillaris. Geographic. 313 ICD-10 code H35. 52 ICD-10 code H44. Age-related macular degeneration (AMD) is the leading cause of blindness in elderly patients [1] and is classified as either non-exudative (i. H44. 3,4 Geographic atrophy is typically bilateral, 5 and lesionYou can develop both geographic atrophy and wet macular degeneration. 10 20 30 40 12 months 24 months 36 months COHORT 1 COHORT 2 CNV=choroidal neovascularization; GA=geographic atrophy; VA=visual acuity. Example of retinal pigment epithelial loss associated with retinal features in antiangiogenic therapy of neovascular age-related macular degeneration. 3114 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Ophthalmology Retina , September 2021 Features of age-related macular degeneration (AMD) on OCT were assessed at an international consensus meeting to determine which might convey an increased risk of geographic atrophy (GA) development. Toggle navigation. 312 became effective on October 1, 2023. In this condition, the. 2 General Pathology; 2. 9 became effective on October 1, 2023. It is always the provider’s responsibility to determine the appropriate clinical diagnosis, and to submit true and correct claims for services rendered. Imaging, biomarkers, disease state, signs and symptoms of Geographic Atrophy. 319 became effective on October 1, 2023. H44. 211 - other international versions of ICD-10 H47. -) The turning outward (eversion) of the edge of the eyelid, resulting in the exposure of the palpebral conjunctiva. K14. Clinical severity. 3 Hypertrophy of tongue papillae . Showing 1-25: ICD-10-CM Diagnosis Code H47. “ The Long-Term Natural History of Geographic Atrophy from Age-Related Macular Degeneration: Enlargement of Atrophy and Impli- cations for Interventional Clinical Trials. family history of atrophic macular degeneration. 89 - other international versions of ICD-10 H44. What is Geographic Atrophy (GA)? Geographic atrophy (GA) is an advanced form of dry age-related macular degeneration (commonly referred to as AMD). 51. 884 MGD, left upper lid. EyeNet Magazine; 2017. NDC Number. information for geographic atrophy, ICD-10 codes were . 291 may differ. This is the American ICD-10-CM version of H35. 091 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. 1 Spinal muscle atrophy childhood form type II G12. Spinal muscle atrophy (SMA) is an autosomal recessive inherited disease; characterised by progressive symmetrical muscle weakness. This may be due to loss of circulation from the choriocapillaris or from an inflammatory event. 18. Conclusions: Age-related. 521 is a valid billable ICD-10 diagnosis code for Atrophy of globe, right eye . Late indications are much more pronounced than early ones. If two injections are performed the same day — one treatment for geographic atrophy and a second with an anti-VEGF — due to the MUE, only one injection can be paid. ICD-10-CM Diagnosis Code R54. This is the American ICD-10-CM version of H47. 89 is a billable diagnosis code used to specify other specified retinal disorders. 9 - other international versions of ICD-10 G31. BVMD may progress to geographic atrophy and in some cases is complicated by development of CNV. Geographic atrophy (GA) is an advanced form of age-related macular degeneration (AMD), characterized by progressive and irreversible loss of photoreceptors, retinal pigment epithelium (RPE), and choriocapillaris. You’ll still have your peripheral vision — what you can see on all sides of the center. 1 Progression of atrophy is negatively related to visual function and everyday task. CMS Long Descriptor2. Classification of Atrophy Meeting Report 5 Jaffe G, Chakravarthy U, Freund K, et al. Short description: Muscle wasting and atrophy, NEC, unsp site The 2024 edition of ICD-10-CM M62. 76 per 1000 persons; 95% CI, 0. The 2024 edition of ICD-10-CM H47. 5 ICD-10 code M62. Geographic atrophy and type 3 neovascularization are particularly associated with SDD. Izervay slowed progression of geographic atrophy effectively and quickly in clinical trials. The information provided is subject to change without notice and should be verified by the provider for each patient. Across the life cycle of GA, its conception and gestation differ in notable. K14. The following code (s) above H44. 40 - other international versions of ICD-10 H35. 31: Nonexudative age-related macular degeneration:. This is a thinning of the macula (called "geographic" because it has a map-like appearance on examination), and it causes more noticeable vision loss than dry. 521. Injection, pegcetacoplan, intravitreal, 1 mg*. Other complications include the. The 2024 edition of ICD-10-CM H47. 459 - other international versions of ICD-10 H35. 522 for Atrophy of globe, left eye is a medical classification as listed by WHO under the range - Diseases of the eye and adnexa . 522 may differ. Reticular pseudodrusen are also found in other diseases, most notably Sorsby's fundus dystrophy, pseudoxanthoma elasticum and acquired vitelliform lesions. ICD-10 code H44. K14. 1 became effective on October 1, 2023. ICD-10-CM Coding Rules. Ophthalmology. 532 became effective on October 1, 2023. This is the American ICD-10-CM version of H35. 2024 ICD-10-CM Range H00-H59. This was the first year ICD-10-CM was implemented into the HIPAA code set. Official Long Descriptor. Why I Asked My Doctor About Geographic Atrophy Treatment. ICD-10 code H47. Geographic atrophy (GA) is a progressive, advanced form of age-related macular degeneration (AMD), and is characterized by irreversible atrophy of the retinal pigment epithelium photoreceptors and choriocapillaris, 1, 2 and is therefore associated with significant, irreversible loss of vision. 101 - H31. Geographic atrophy (GA) is an advanced form of age-related macular degeneration (AMD. This is the American ICD-10-CM version of H44. 3. A. Color photography and fluorescein. CPT Code3. Macular degeneration is an eye condition that affects the macula of your retina. The U. However, most patients retain. 213 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. 3114, H35. Several. This condition indicates a deficiency in the number of nerve fibers which arise. Geographic atrophy (GA) is the late stage of nonexudative age-related macular degeneration (AMD), affecting more than 5 million people worldwide. 32 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail. 319 may differ. The 2024 edition of ICD-10-CM H31. H 35. 0 became effective on October 1, 2023. This is the American ICD-10-CM version of H35. K14. Geographic atrophy (GA) is considered the late stage of the dry form of age-related macular degeneration (AMD) (1). 89 became effective on October 1, 2023. (ICD-10-CM): H35. 31 Nonexudative age-related macular degeneration; H35. 8 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. 2B1 - other international versions of ICD-10 H44. 52 may differ. 69% among those aged 45–85 years. 4. D. Geographic atrophy causes around 20% of legal blindness in North America. 2) chronic gingivitis (K05. The progression of geographic atrophy secondary to age-related macular degeneration. L. ICD-10 code H47. -) A disorder characterized by loss of optic nerve fibers.