H53.51
Achromatopsia
Clinical Classification Guidelines
Medical Intelligence & Overview
Achromatopsia, also known as total color blindness, is an inherited condition characterized by the inability to perceive color. Individuals with this condition see the world primarily in shades of gray, black, and white. Beyond color blindness, achromatopsia often involves increased sensitivity to light, reduced sharpness of vision (visual acuity), and poor night vision. The condition is rare and usually present from birth or early childhood, and it can significantly impact daily life and activities requiring color discrimination.
Causes & Symptoms
Clinical Causes: Genetic mutations affecting cone cell function in the retina Inherited autosomal recessive traits, meaning both parents carry the gene mutation Mutations in specific genes such as CNGA3, CNGB3, GNAT2, PDE6C, and PDE6H In some cases, achromatopsia is part of syndromic conditions, affecting other parts of the body
Key Symptoms: Complete or near-complete lack of color vision Sensitivity to bright light (photosensitivity) Reduced visual acuity, leading to blurry vision Nystagmus, or involuntary eye movements Poor night vision (hemeralopia) Difficulty distinguishing between colors in bright lighting conditions
Diagnostic & Treatment
Diagnosis Path: Diagnosis typically involves a comprehensive eye examination, including tests for visual acuity and color perception. Electrophysiological tests such as electroretinography (ERG) can assess retinal responses to light and confirm cone cell dysfunction. Genetic testing may identify specific gene mutations associated with achromatopsia. Early diagnosis is essential for managing symptoms and providing supportive strategies.
Treatment Protocols: Use of tinted or filter lenses to reduce light sensitivity and enhance visual comfort Low vision aids and assistive devices to maximize remaining vision Educational support and counseling for coping with visual impairments Participation in vision rehabilitation programs Ongoing research into gene therapies offers hope for future potential treatments
Clinical Advice & FAQs
Billing Guidance
Is H53.51 a billable ICD-10 code?
Yes, H53.51 is a specific, billable code that can be used to indicate a diagnosis for reimbursement purposes.
Documentation
How do I report H53.51?
Clinical documentation must specify the nature of Achromatopsia and any associated comorbidities for accurate reporting.
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