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K68.11

K68.11Postprocedural retroperitoneal abscess

Billable / specific codeICD-10-CM

K68.11 is a billable, specific ICD-10-CM code for postprocedural retroperitoneal abscess. It is valid for submission on a claim.

Excludes2 — not included here, but may coexist

The excluded condition is not part of this code, but a patient can have both. You may code both.

  • infection following procedure (T81.4-)

Other codes that can never be billed with K68.11

These codes carry an Excludes1 note pointing at K68.11. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading K68.11 alone.

  • O86.0Infection of obstetric surgical wound

Risk adjustment

K68.11 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

K68.11 is named in 11 Medicare coverage policies 11 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A52868Billing and Coding: Transesophageal Echocardiography (TEE)
  • A53058Billing and Coding: Home Health Physical Therapy
  • A56459Billing and Coding: Debridement Services
  • A56505Billing and Coding: Transesophageal Echocardiography (TEE)

How K68.11 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 K68.11.

  • Abscesspostoperativeretroperitoneal
  • Abscessretroperitoneal NECpostprocedural
  • Abscessintra-abdominalpostproceduralretroperitoneal

Related codes at this level

Codes that share K68.1. If K68.11 is not quite right, the correct code is usually one of these.

Questions about K68.11

Is K68.11 a billable ICD-10-CM code?
Yes. K68.11 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does K68.11 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.