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 chalazion 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
H00-H05Disorders of eyelid, lacrimal system and orbit
category
H00Hordeolum and chalazion
currentH00
Official coding notes
Inclusion terms
- Meibomian (gland) cyst
Excludes2 (may code together if documented)
- infected meibomian gland (H00.02-)
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
H00.11Chalazion right upper eyelidcodeH00.12Chalazion right lower eyelidcodeH00.13Chalazion right eye, unspecified eyelidcodeH00.14Chalazion left upper eyelidcodeH00.15Chalazion left lower eyelidcodeH00.16Chalazion left eye, unspecified eyelidcodeH00.19Chalazion unspecified eye, unspecified eyelidcode
Sibling codes
Mapped diagnoses and classifications
SNOMED_CT 1482004high
Chalazion
Source: SNOMED International ICD-10 map
SNOMED_CT 16652291000119105high
Chalazion of bilateral eyelids
Source: SNOMED International ICD-10 map
SNOMED_CT 337301000119104high
Chalazion of left upper eyelid
Source: SNOMED International ICD-10 map
SNOMED_CT 700260002high
Chalazion of lower eyelid
Source: SNOMED International ICD-10 map
SNOMED_CT 331691000119109high
Chalazion of right upper eyelid
Source: SNOMED International ICD-10 map
SNOMED_CT 700266008high
Chalazion of upper eyelid
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
H00.1
Replacement codes
H00.11 — Chalazion right upper eyelidH00.12 — Chalazion right lower eyelidH00.13 — Chalazion right eye, unspecified eyelidH00.14 — Chalazion left upper eyelidH00.15 — Chalazion left lower eyelidH00.16 — Chalazion left eye, unspecified eyelidH00.19 — Chalazion unspecified eye, unspecified eyelid
Common synonyms
Chalazion
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.