2026 ICD-10-CM Diagnosis Code N73Other female pelvic inflammatory diseases

ICD-10-CM Codes›N00–N99›N70-N77›N73

ICD-10-CM N73
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

N73 is a non-billable ICD-10-CM category code for other female pelvic inflammatory diseases, so it cannot be submitted on claims. Use a more specific code from this category instead, such as N73.0, N73.1, N73.2, and N73.3.

Code Identity

ICD-10-CM Code
N73
Billable Status
No — Non-Billable Category
Code Describes
Other female pelvic inflammatory diseases
Chapter
N70-N77
Inflammatory diseases of female pelvic organs

Code Classification

ChapterN00–N99Diseases of the genitourinary system
SectionN70-N77Inflammatory diseases of female pelvic organs
CategoryN73Other female pelvic inflammatory diseases
This CodeN73Other female pelvic inflammatory diseases

Specific Coding for Other female pelvic inflammatory diseasesOverview

Non-specific codes like N73 require more characters. Use one of these billable codes instead:

  • Use N73.0 for Acute parametritis and pelvic cellulitis

  • Use N73.1 for Chronic parametritis and pelvic cellulitis

  • Use N73.2 for Unspecified parametritis and pelvic cellulitis

  • Use N73.3 for Female acute pelvic peritonitis

  • Use N73.4 for Female chronic pelvic peritonitis

  • Use N73.5 for Female pelvic peritonitis, unspecified

  • Use N73.6 for Female pelvic peritoneal adhesions (postinfective)

  • Use N73.8 for Other specified female pelvic inflammatory diseases

  • Use N73.9 for Female pelvic inflammatory disease, unspecified

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Use Additional Code

Patient EducationClinical

Pelvic Inflammatory Disease

Pelvic inflammatory disease (PID) is an infection of the uterus, ovaries, and other female reproductive organs. PID causes scarring in these organs. This can lead to infertility, ectopic pregnancy, pelvic pain, abscesses (a collection of pus), and other serious problems.

The full article covers:

  • What is pelvic inflammatory disease?
  • What causes pelvic inflammatory disease?
  • What are the symptoms of pelvic inflammatory disease?
  • How is pelvic inflammatory disease diagnosed?
  • What is the treatment for pelvic inflammatory disease?
  • Can pelvic inflammatory disease be prevented?

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About N73Overview

Is N73 (Other female pelvic inflammatory diseases) a billable code?

No. This is a category header that groups the codes for other female pelvic inflammatory diseases, and headers cannot be submitted on claims. Claims for other female pelvic inflammatory diseases need a more specific code from this category, such as N73.0, N73.1, and N73.2.