All ICD10 Codes

N73

Non-Billable
ChapterN00–N99
Rankcategory
Official Description

Other female pelvic inflammatory diseases

Use a more specific code (9 billable)
N73.0Acute parametritis and pelvic cellulitisN73.1Chronic parametritis and pelvic cellulitisN73.2Unspecified parametritis and pelvic cellulitisN73.3Female acute pelvic peritonitisN73.4Female chronic pelvic peritonitisN73.5Female pelvic peritonitis, unspecifiedN73.6Female pelvic peritoneal adhesions (postinfective)N73.8Other specified female pelvic inflammatory diseasesN73.9Female pelvic inflammatory disease, unspecified
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 14: Diseases of the Genitourinary System (N00-N99).

CH14 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

N70-N77 Parent Instructions

Excludes1(Not coded here. Use a different code.)
  • inflammatory diseases of female pelvic organs complicating:
  • abortion or ectopic or molar pregnancy (O00-O07, O08.0)
  • pregnancy, childbirth and the puerperium (O23.-, O75.3, O85, O86.-)

Instructional Notes

Use Additional Code
  • code (B95-B97), to identify infectious agent.

Clinical Hierarchy

BillableHas subcodes
CH14Diseases of the genitourinary system (N00-N99)
N70-N77Inflammatory diseases of female pelvic organs (N70-N77)
N73Other female pelvic inflammatory diseasesNot billable
N73.0Acute parametritis and pelvic cellulitisBillable
N73.1Chronic parametritis and pelvic cellulitisBillable
N73.2Unspecified parametritis and pelvic cellulitisBillable
N73.3Female acute pelvic peritonitisBillable
N73.4Female chronic pelvic peritonitisBillable
N73.5Female pelvic peritonitis, unspecifiedBillable
N73.6Female pelvic peritoneal adhesions (postinfective)Billable
N73.8Other specified female pelvic inflammatory diseasesBillable
N73.9Female pelvic inflammatory disease, unspecifiedBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to N73:

blockN70-N77
Inflammatory diseases of female pelvic organs (N70-N77)
View context instructions
chapterCH14
Diseases of the genitourinary system (N00-N99)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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