A36.83 — Diphtheritic polyneuritis
A36.83 is a billable, specific ICD-10-CM code for diphtheritic polyneuritis. It is valid for submission on a claim.
Other codes that can never be billed with A36.83
These codes carry an Excludes1 note pointing at A36.83. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading A36.83 alone.
- G63Polyneuropathy in diseases classified elsewhere
Risk adjustment
A36.83 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
A36.83 is named in 3 Medicare coverage policies — 3 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A54095Billing and Coding: Nerve Conduction Studies and Electromyography
- A56900Billing and Coding: Immunizations
- A57123Billing and Coding: Nerve Conduction Studies and Electromyography
How A36.83 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 A36.83.
- Polyneuritis, polyneuritic›diphtheritic
- Polyneuropathy›in›diphtheria
Related codes at this level
Codes that share A36.8. If A36.83 is not quite right, the correct code is usually one of these.
Questions about A36.83
- Is A36.83 a billable ICD-10-CM code?
- Yes. A36.83 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does A36.83 sit in the tabular list?
- Certain infectious and parasitic diseases (A00-B99), in the block Other bacterial diseases (A30-A49).