N71 Inflammatory disease of uterus, except cervix

Category / Non-billable header 3 subcodes

Block: Inflammatory diseases of female pelvic organs (N70-N77)

Includes

  • endo (myo) metritis
  • metritis
  • myometritis
  • pyometra
  • uterine abscess

Excludes 1 (cannot be coded together)

  • hyperplastic endometritis (N85.0-)
  • infection of uterus following delivery (O85, O86.-)

Use Additional Code

  • code (B95-B97), to identify infectious agent

Subcodes

Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.

Code Description Billable
N71..0 Acute inflammatory disease of uterus Yes
N71..1 Chronic inflammatory disease of uterus Yes
N71..9 Inflammatory disease of uterus, unspecified Yes

Last reviewed: September 2026