MCMCB Pro
K68.9

K68.9Other disorders of retroperitoneum

Billable / specific codeICD-10-CM

K68.9 is a billable, specific ICD-10-CM code for other disorders of retroperitoneum. It is valid for submission on a claim.

Risk adjustment

K68.9 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

K68.9 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 K68.9 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 K68.9.

  • Retroperitonitis
  • Cellulitisretroperitoneal
  • Cystretroperitoneal
  • Disorderretroperitoneal
  • Infection, infected, infectiveretroperitoneal NEC

Related codes at this level

Codes that share K68. If K68.9 is not quite right, the correct code is usually one of these.

Questions about K68.9

Is K68.9 a billable ICD-10-CM code?
Yes. K68.9 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does K68.9 sit in the tabular list?
Diseases of the digestive system (K00-K95), in the block Diseases of peritoneum and retroperitoneum (K65-K68).
ICD-10-CMFY2026-Apr· effective April 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release — see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.