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ICD-10-CM · FY 2026 APRIL UPDATE

H10

Conjunctivitis

Diagnosis reference

Nonbillable category

This entry is a category or subcategory. Choose the appropriate billable descendant based on the clinical documentation.

Effective periodOctober 1, 2026–September 30, 2027
SourceCMS ICD-10-CM order file
ClassificationDiagnosis · clinical modification

Related entries

Up to 30 descendants in this category

CODEDESCRIPTIONTYPE
H10.0Mucopurulent conjunctivitisCategory
H10.01Acute follicular conjunctivitisCategory
H10.011Acute follicular conjunctivitis, right eyeBillable
H10.012Acute follicular conjunctivitis, left eyeBillable
H10.013Acute follicular conjunctivitis, bilateralBillable
H10.019Acute follicular conjunctivitis, unspecified eyeBillable
H10.02Other mucopurulent conjunctivitisCategory
H10.021Other mucopurulent conjunctivitis, right eyeBillable
H10.022Other mucopurulent conjunctivitis, left eyeBillable
H10.023Other mucopurulent conjunctivitis, bilateralBillable
H10.029Other mucopurulent conjunctivitis, unspecified eyeBillable
H10.1Acute atopic conjunctivitisCategory
H10.10Acute atopic conjunctivitis, unspecified eyeBillable
H10.11Acute atopic conjunctivitis, right eyeBillable
H10.12Acute atopic conjunctivitis, left eyeBillable
H10.13Acute atopic conjunctivitis, bilateralBillable
H10.2Other acute conjunctivitisCategory
H10.21Acute toxic conjunctivitisCategory
H10.211Acute toxic conjunctivitis, right eyeBillable
H10.212Acute toxic conjunctivitis, left eyeBillable
H10.213Acute toxic conjunctivitis, bilateralBillable
H10.219Acute toxic conjunctivitis, unspecified eyeBillable
H10.22Pseudomembranous conjunctivitisCategory
H10.221Pseudomembranous conjunctivitis, right eyeBillable
H10.222Pseudomembranous conjunctivitis, left eyeBillable
H10.223Pseudomembranous conjunctivitis, bilateralBillable
H10.229Pseudomembranous conjunctivitis, unspecified eyeBillable
H10.23Serous conjunctivitis, except viralCategory
H10.231Serous conjunctivitis, except viral, right eyeBillable
H10.232Serous conjunctivitis, except viral, left eyeBillable

Use the complete reference

This reference does not reproduce the full tabular hierarchy, inclusion notes, Excludes1/2 notes, sequencing instructions, or seventh-character rules. Review the official tables and coding guidelines.

Open official CMS files

ICD-10-CM codes describe diagnoses. They do not have an independent Medicare PFS reimbursement amount, and billability alone does not establish coverage.