H16.209
Billable codeUnspecified keratoconjunctivitis, unspecified eye
The ICD-10 code for unspecified keratoconjunctivitis, unspecified eye is H16.209.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •Laterality-specific codes exist for this condition — confirm the affected side is documented.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- H16.201Unspecified keratoconjunctivitis, right eye
- H16.202Unspecified keratoconjunctivitis, left eye
- H16.203Unspecified keratoconjunctivitis, bilateral
- H16.209Unspecified keratoconjunctivitis, unspecified eye
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 37040Approximate match
Associated MS-DRGs
H16.209 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.