A37.81 — Whooping cough due to other Bordetella species with pneumonia
A37.81 is a billable, specific ICD-10-CM code for whooping cough due to other bordetella species with pneumonia. It is valid for submission on a claim.
Risk adjustment
A37.81 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
A37.81 is named in 14 Medicare coverage policies — 14 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A52466Nebulizers - Policy Article
- A52466Nebulizers - Policy Article
- A52466Nebulizers - Policy Article
- A52466Nebulizers - Policy Article
How A37.81 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 A37.81.
- Whooping cough›with pneumonia›specified organism NEC
- Tracheobronchitis›due to›Bordetella bronchiseptica›with pneumonia
- Whooping cough›with pneumonia›due to Bordetella›bronchiseptica
- Pneumonia›in›whooping cough›due to›specified NEC
- Whooping cough›due to›Bordetella›bronchiseptica›with pneumonia
- Whooping cough›due to›Bordetella›specified NEC›with pneumonia
Related codes at this level
Codes that share A37.8. If A37.81 is not quite right, the correct code is usually one of these.
Questions about A37.81
- Is A37.81 a billable ICD-10-CM code?
- Yes. A37.81 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does A37.81 sit in the tabular list?
- Certain infectious and parasitic diseases (A00-B99), in the block Other bacterial diseases (A30-A49).