Z90.81 — Acquired absence of spleen
Z90.81 is a billable, specific ICD-10-CM code for acquired absence of spleen. It is valid for submission on a claim.
Other codes that can never be billed with Z90.81
These codes carry an Excludes1 note pointing at Z90.81. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading Z90.81 alone.
- D73.0Hyposplenism
Risk adjustment
Z90.81 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
Z90.81 is named in 1 Medicare coverage policy — 1 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A56421Billing and Coding: CT of the Abdomen and Pelvis
How Z90.81 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 Z90.81.
- Asplenia›postsurgical
- Status›splenectomy
- Absence›spleen›acquired
Related codes at this level
Codes that share Z90.8. If Z90.81 is not quite right, the correct code is usually one of these.
Questions about Z90.81
- Is Z90.81 a billable ICD-10-CM code?
- Yes. Z90.81 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does Z90.81 sit in the tabular list?
- Factors influencing health status and contact with health services (Z00-Z99), in the block Persons with potential health hazards related to family and personal history and certain conditions influencing health status (Z77-Z99).