Is H10.4 a billable code?
No. H10.4 is a header code that groups 18 more specific codes. Use one of the billable codes listed on this page instead.
ICD-10-CM FY2027 diagnosis code
H10.4: Chronic conjunctivitis
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
H10.4 groups related diagnoses under chronic conjunctivitis. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Billable codes under H10.4
- H10.401Unspecified chronic conjunctivitis, right eye
- H10.402Unspecified chronic conjunctivitis, left eye
- H10.403Unspecified chronic conjunctivitis, bilateral
- H10.409Unspecified chronic conjunctivitis, unspecified eye
- H10.411Chronic giant papillary conjunctivitis, right eye
- H10.412Chronic giant papillary conjunctivitis, left eye
- H10.413Chronic giant papillary conjunctivitis, bilateral
- H10.419Chronic giant papillary conjunctivitis, unspecified eye
- H10.421Simple chronic conjunctivitis, right eye
- H10.422Simple chronic conjunctivitis, left eye
- H10.423Simple chronic conjunctivitis, bilateral
- H10.429Simple chronic conjunctivitis, unspecified eye
- H10.431Chronic follicular conjunctivitis, right eye
- H10.432Chronic follicular conjunctivitis, left eye
- H10.433Chronic follicular conjunctivitis, bilateral
- H10.439Chronic follicular conjunctivitis, unspecified eye
- H10.44Vernal conjunctivitis
- H10.45Other chronic allergic conjunctivitis
H10.4 questions
What does H10.4 mean?
H10.4 is the ICD-10-CM code for Chronic conjunctivitis. It is in chapter 7, Diseases of the eye and adnexa (H00-H59).
Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.