B02.31 — Zoster conjunctivitis
B02.31 is a billable, specific ICD-10-CM code for zoster conjunctivitis. It is valid for submission on a claim.
Risk adjustment
B02.31 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
B02.31 is named in 6 Medicare coverage policies — 6 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A57068Billing and Coding: Ocular Photography - External
- A57204Billing and Coding: MRI and CT Scans of the Head and Neck
- A58710Billing and Coding: MolDX: Molecular Syndromic Panels for Infectious Disease Pathogen Identification Testing
- A58720Billing and Coding: MolDX: Molecular Syndromic Panels for Infectious Disease Pathogen Identification Testing
How B02.31 is indexed
Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to B02.31.
- Conjunctivitis NOS›herpes zoster
- Conjunctivitis NOS›in›zoster
- Herpes, herpesvirus, herpetic›conjunctivitis›zoster
- Herpes, herpesvirus, herpetic›zoster›conjunctivitis
- Conjunctivitis NOS›in›herpes virus›zoster
Related codes at this level
Codes that share B02.3. If B02.31 is not quite right, the correct code is usually one of these.
Questions about B02.31
- Is B02.31 a billable ICD-10-CM code?
- Yes. B02.31 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does B02.31 sit in the tabular list?
- Certain infectious and parasitic diseases (A00-B99), in the block Viral infections characterized by skin and mucous membrane lesions (B00-B09).