ICD10BillableValid for clinical use
ICD-10 Code H04.9: Disorder of lacrimal system, unspecified
Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026
What is this code?
ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. 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 disorder of lacrimal system, unspecified in a patient's medical record.
- May appear in hospital records, claims, referrals, and clinical documentation.
- This code can be used as a clinically usable diagnosis entry in standardized coding workflows.
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.
Code hierarchy
chapter
7Diseases of the eye and adnexa (H00-H59)
block
H00-H05Disorders of eyelid, lacrimal system and orbit
category
H04Disorders of lacrimal system
currentH04
Where you may see this code
You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.
Related specialists
Ophthalmologist
Related codes
H04.0DacryoadenitiscategoryH04.1Other disorders of lacrimal glandcategoryH04.2EpiphoracategoryH04.3Acute and unspecified inflammation of lacrimal passagescategoryH04.4Chronic inflammation of lacrimal passagescategoryH04.5Stenosis and insufficiency of lacrimal passagescategoryH04.6Other changes of lacrimal passagescategoryH04.8Other disorders of lacrimal systemcategory
Sibling codes
H04.0DacryoadenitisH04.1Other disorders of lacrimal glandH04.2EpiphoraH04.3Acute and unspecified inflammation of lacrimal passagesH04.4Chronic inflammation of lacrimal passagesH04.5Stenosis and insufficiency of lacrimal passagesH04.6Other changes of lacrimal passagesH04.8Other disorders of lacrimal system
Coverage-related procedures and services
Mapped diagnoses and classifications
SNOMED_CT 246868003high
Discharge from lacrimal sac
Source: SNOMED International ICD-10 map
SNOMED_CT 27091000119107high
Disorder of lacrimal passage
Source: SNOMED International ICD-10 map
SNOMED_CT 31053003high
Disorder of lacrimal system
Source: SNOMED International ICD-10 map
SNOMED_CT 95767006high
Disorder of nasolacrimal duct
Source: SNOMED International ICD-10 map
SNOMED_CT 301971006high
Opening of upper lacrimal punctum enlarged
Source: SNOMED International ICD-10 map
SNOMED_CT 314485000high
Tear drainage disorder
Source: SNOMED International ICD-10 map
Coding guidelines
Compatibility
Legacy and official ICD code match exactly.
Legacy codes
H04.9
Common synonyms
Disorder of lacrimal system, unspecifiedDisorder of lacrimal system
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.