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 pterygium of eye 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
H10-H11Disorders of conjunctiva
category
H11Other disorders of conjunctiva
currentH11
Official coding notes
Excludes1 (do not code together)
- pseudopterygium (H11.81-)
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 716197003high
Autosomal dominant pterygium of conjunctiva
Source: SNOMED International ICD-10 map
SNOMED_CT 347021000119109high
Bilateral central pterygium of eyes
Source: SNOMED International ICD-10 map
SNOMED_CT 346231000119100high
Bilateral double pterygium of eyes
Source: SNOMED International ICD-10 map
SNOMED_CT 344551000119101high
Bilateral progressive peripheral pterygium of eyes
Source: SNOMED International ICD-10 map
SNOMED_CT 344541000119103high
Bilateral stationary peripheral pterygium of eyes
Source: SNOMED International ICD-10 map
SNOMED_CT 344091000119101high
Bliateral recurrent pterygium of eye
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
H11.0
Common synonyms
Pterygium of eye
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.