J91.8 — Pleural effusion in other conditions classified elsewhere
J91.8 is a billable, specific ICD-10-CM code for pleural effusion in other conditions classified elsewhere. It is valid for submission on a claim.
Risk adjustment
J91.8 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
J91.8 is named in 7 Medicare coverage policies — 7 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A56464Billing and Coding: Flow Cytometry
- A56580Billing and Coding: Computerized Axial Tomography (CT), Thorax
- A56730Billing and Coding: Respiratory Therapy and Oximetry Services
- A57205Billing and Coding: Oximetry Services
How J91.8 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 J91.8.
- Effusion›pleura, pleurisy, pleuritic, pleuropericardial›in conditions classified elsewhere
Related codes at this level
Codes that share J91. If J91.8 is not quite right, the correct code is usually one of these.
Questions about J91.8
- Is J91.8 a billable ICD-10-CM code?
- Yes. J91.8 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does J91.8 sit in the tabular list?
- Diseases of the respiratory system (J00-J99), in the block Other diseases of the pleura (J90-J94).