H10.412
H10.412 — Chronic giant papillary conjunctivitis, left eye
Billable / specific codeICD-10-CMleft
H10.412 is a billable, specific ICD-10-CM code for chronic giant papillary conjunctivitis, left eye. It is valid for submission on a claim.
Risk adjustment
H10.412 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.
Medicare coverage
H10.412 is named in 16 Medicare coverage policies — 16 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A56538Billing and Coding: Allergen Immunotherapy
- A56558Billing and Coding: Allergy Testing
- A56559Billing and Coding: Allergy Skin Testing
- A56559Billing and Coding: Allergy Skin Testing
Related codes at this level
Codes that share H10.41. If H10.412 is not quite right, the correct code is usually one of these.
Questions about H10.412
- Is H10.412 a billable ICD-10-CM code?
- Yes. H10.412 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does H10.412 sit in the tabular list?
- Diseases of the eye and adnexa (H00-H59), in the block Disorders of conjunctiva (H10-H11).