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N73.6

N73.6Female pelvic peritoneal adhesions (postinfective)

Billable / specific codeICD-10-CM

N73.6 is a billable, specific ICD-10-CM code for female pelvic peritoneal adhesions (postinfective). 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.

  • postprocedural pelvic peritoneal adhesions (N99.4)

Risk adjustment

N73.6 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

N73.6 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 N73.6 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 N73.6.

  • Adhesions, adhesivefemale pelvis
  • Adhesions, adhesiveovary
  • Adhesions, adhesiveparaovarian
  • Adhesions, adhesiveperiovarian
  • Adhesions, adhesiveperitubal
  • Adhesions, adhesiveperiuterine
  • Adhesions, adhesivetubo-ovarian
  • Adhesions, adhesiveuterus
  • Banduterus
  • Adhesions, adhesivepelvicfemale
  • Adhesions, adhesivepelvicpostpartal(old)
  • Adhesions, adhesiveperitoneum, peritonealpelvic, female

Related codes at this level

Codes that share N73. If N73.6 is not quite right, the correct code is usually one of these.

Questions about N73.6

Is N73.6 a billable ICD-10-CM code?
Yes. N73.6 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does N73.6 sit in the tabular list?
Diseases of the genitourinary system (N00-N99), in the block Inflammatory diseases of female pelvic organs (N70-N77).
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.