What is this code?
ICD-10 entries help standardize how diagnoses are organized for coding, reporting, analytics, and documentation. This code sits within the broader ICD-10 area for Diseases of the eye and adnexa (H00-H59).
When is it used?
- May be used when a clinician documents heterophoria in a patient's medical record.
- May appear in hospital records, claims, referrals, and clinical documentation.
- This code may act more like a grouping or parent code, so a more specific child code may be used in final documentation when available.
What it does not mean
- A code alone does not explain severity, treatment plan, or outcome.
- A medical code should not be treated as a substitute for a doctor's diagnosis or advice.
- This entry may represent a broader category rather than the most specific billable code.
Code hierarchy
chapter
7Diseases of the eye and adnexa (H00-H59)
block
H49-H52Disorders of ocular muscles, binocular movement, accommodation and refraction
category
H50Other strabismus
currentH50
Where you may see this code
You may see this entry in coding references, medical records, or claims workflows when a broader diagnosis category is being reviewed before a more specific code is chosen.
Related specialists
Ophthalmologist
Related codes
Sibling codes
Mapped diagnoses and classifications
SNOMED_CT 347421000119102high
Alternating heterophoria
Source: SNOMED International ICD-10 map
SNOMED_CT 59257003high
Alternating hyperphoria
Source: SNOMED International ICD-10 map
SNOMED_CT 1388470001high
Basic esophoria
Source: SNOMED International ICD-10 map
SNOMED_CT 1388464007high
Basic exophoria
Source: SNOMED International ICD-10 map
SNOMED_CT 1351470001high
Comitant esophoria
Source: SNOMED International ICD-10 map
SNOMED_CT 1351484006high
Comitant exophoria
Source: SNOMED International ICD-10 map
Coding guidelines
Compatibility
Legacy code aligns to an official FY 2026 category. Frontend should resolve to the official category page and surface the billable child codes.
Legacy codes
H50.5
Replacement codes
H50.50 — Unspecified heterophoriaH50.51 — EsophoriaH50.52 — ExophoriaH50.53 — Vertical heterophoriaH50.54 — CyclophoriaH50.55 — Alternating heterophoria
Common synonyms
Heterophoria
Frequently asked questions
About this content
This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.