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K67

K67Disorders of peritoneum in infectious diseases classified elsewhere

Billable / specific codeICD-10-CM

K67 is a billable, specific ICD-10-CM code for disorders of peritoneum in infectious diseases classified elsewhere. It is valid for submission on a claim.

Excludes1 — never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

  • peritonitis in chlamydia (A74.81)
  • peritonitis in diphtheria (A36.89)
  • peritonitis in gonococcal (A54.85)
  • peritonitis in syphilis (late) (A52.74)
  • peritonitis in tuberculosis (A18.31)

Code first

The underlying condition must be sequenced before this code.

  • underlying disease, such as:
  • congenital syphilis (A50.0)
  • helminthiasis (B65.0 -B83.9)

Risk adjustment

K67 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:

  • HCC 78 Intestinal Obstruction/Perforation0.326 RAF

Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score.

Medicare coverage

K67 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

Questions about K67

Is K67 a billable ICD-10-CM code?
Yes. K67 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does K67 sit in the tabular list?
Diseases of the digestive system (K00-K95), in the block Diseases of peritoneum and retroperitoneum (K65-K68).
What cannot be coded together with K67?
K67 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.
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.