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N73.3 ICD-10-CA code: Female acute pelvic peritonitis

N73.3 is the ICD-10-CA code for “Female acute pelvic peritonitis” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.

Official description

N73.3

Female acute pelvic peritonitis

ICD-10-CA · Canada · Also written N733

Index terms

Entries in CIHI’s alphabetical index that lead to N73.3. Searching the index by the condition the note names is how coders reach this code.

  • Peritonitis (adhesive) (fibrinous) (with effusion), pelvic, female, acute

Notes for N73.3

As CIHI prints them, with any note N73.3 takes from the headings above it.

Use additional code

Add a code for this detail when the note documents it.

Excludes

Conditions classified elsewhere.

  • Those complicating:• abortion or ectopic or molar pregnancy (O00-O07, O08.0)• pregnancy, childbirth and the puerperium (O23.-, O75.3, O85, O86.-)From N70-N77 Inflammatory diseases of female pelvic organs
  • Certain conditions originating in the perinatal period (P00-P96)certain infectious and parasitic diseases (A00-B99)complications of pregnancy, childbirth and the puerperium (O00-O99)congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)endocrine, nutritional and metabolic diseases (E00-E90)injury, poisoning and certain other consequences of external causes (S00-T98)neoplasms (C00-D48)symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)From Chapter 14: Diseases of the genitourinary system (N00-N99)

Where N73.3 sits

  1. 1ChapterChapter 14: Diseases of the genitourinary system (N00-N99)
  2. 2Block N70-N77Inflammatory diseases of female pelvic organs
  3. 3Category N73Other female pelvic inflammatory diseases
  4. 4Valid code N73.3Female acute pelvic peritonitis

Source and release

Data release
ICD-10-CA · FY 2026–2027
Effective date
Apr 1, 2026
Publisher
CIHI

This page is built from the ICD-10-CA catalog that Vero Codes reads when it suggests codes: Canadian Institute for Health Information’s FY 2026–2027 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.

See N73.3 in the CIHI source

Frequently asked questions

What does ICD-10-CA code N73.3 mean?

N73.3 is the ICD-10-CA code for “Female acute pelvic peritonitis” in CIHI’s ICD-10-CA FY 2026–2027 release.

Where is N73.3 in ICD-10-CA?

N73.3 sits under N73 Other female pelvic inflammatory diseases, within N70-N77 Inflammatory diseases of female pelvic organs, within Chapter 14: Diseases of the genitourinary system (N00-N99).

What coding notes apply to N73.3?

ICD-10-CA lists Use additional code, Excludes notes for N73.3, including those from the headings it sits under. They are listed on this page with where each one comes from.

Which ICD-10-CA release does this page use?

It uses CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026 to Mar 31, 2027. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.

Codes beside N73.3

N73.0Acute parametritis and pelvic cellulitisN73.1Chronic parametritis and pelvic cellulitisN73.2Unspecified parametritis and pelvic cellulitisN73.4Female chronic pelvic peritonitisN73.5Female pelvic peritonitis, unspecifiedN73.6Female pelvic peritoneal adhesionsN73.8Other specified female pelvic inflammatory diseasesN73.9Female pelvic inflammatory disease, unspecified