2020 ICD-10-CM Diagnosis Code N73.1

Chronic parametritis and pelvic cellulitis

    2016 2017 2018 2019 2020 Billable/Specific Code
  • N73.1 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2020 edition of ICD-10-CM N73.1 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of N73.1 - other international versions of ICD-10 N73.1 may differ.
Applicable To
  • Any condition in
    ICD-10-CM Diagnosis Code N73.0

    Acute parametritis and pelvic cellulitis

      2016 2017 2018 2019 2020 Billable/Specific Code
    Applicable To
    • Abscess of broad ligament
    • Abscess of parametrium
    • Pelvic cellulitis, female
    N73.0
    specified as chronic
Type 1 Excludes
Type 1 Excludes Help
A type 1 excludes note is a pure excludes. It means "not coded here". A type 1 excludes note indicates that the code excluded should never be used at the same time as N73.1. A type 1 excludes note is for used for when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
  • tuberculous parametritis and pelvic cellultis (
    ICD-10-CM Diagnosis Code A18.17

    Tuberculous female pelvic inflammatory disease

      2016 2017 2018 2019 2020 Billable/Specific Code
    Applicable To
    • Tuberculous endometritis
    • Tuberculous oophoritis and salpingitis
    A18.17
    )
The following code(s) above N73.1 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to N73.1:
  • N00-N99
    2020 ICD-10-CM Range N00-N99

    Diseases of the genitourinary system

    Type 2 Excludes
    • 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)
    Diseases of the genitourinary system
  • N70-N77
    2020 ICD-10-CM Range N70-N77

    Inflammatory diseases of female pelvic organs

    Type 1 Excludes
    • 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.-)
    Inflammatory diseases of female pelvic organs
  • N73
    ICD-10-CM Diagnosis Code N73

    Other female pelvic inflammatory diseases

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Use Additional
    • code (B95-B97), to identify infectious agent.
    Other female pelvic inflammatory diseases
Approximate Synonyms
  • Chronic abscess of female pelvis
  • Chronic abscess of parametrium
  • Chronic female pelvic abscess
  • Chronic female pelvic cellulitis
  • Chronic parametritis
  • Chronic pelvic inflammatory disease of the female pelvic organs and/or tissues
  • Parametritis, chronic
  • Pelvic inflammatory disease, chronic
ICD-10-CM N73.1 is grouped within Diagnostic Related Group(s) (MS-DRG v37.0):
  • 742 Uterine and adnexa procedures for non-malignancy with cc/mcc
  • 743 Uterine and adnexa procedures for non-malignancy without cc/mcc
  • 757 Infections, female reproductive system with mcc
  • 758 Infections, female reproductive system with cc
  • 759 Infections, female reproductive system without cc/mcc

Convert N73.1 to ICD-9-CM

Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change

Diagnosis Index entries containing back-references to N73.1:
  • Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic) L02.91
    ICD-10-CM Diagnosis Code L02.91

    Cutaneous abscess, unspecified

      2016 2017 2018 2019 2020 Billable/Specific Code
    • broad ligament N73.2
      ICD-10-CM Diagnosis Code N73.2

      Unspecified parametritis and pelvic cellulitis

        2016 2017 2018 2019 2020 Billable/Specific Code
      Applicable To
      • Any condition in N73.0 unspecified whether acute or chronic
      • chronic N73.1
    • parametric, parametrium N73.2
      ICD-10-CM Diagnosis Code N73.2

      Unspecified parametritis and pelvic cellulitis

        2016 2017 2018 2019 2020 Billable/Specific Code
      Applicable To
      • Any condition in N73.0 unspecified whether acute or chronic
      • chronic N73.1
  • Disease, diseased - see also Syndrome
    • pelvis, pelvic
      • inflammatory (female) N73.9
        ICD-10-CM Diagnosis Code N73.9

        Female pelvic inflammatory disease, unspecified

          2016 2017 2018 2019 2020 Billable/Specific Code
        Applicable To
        • Female pelvic infection or inflammation NOS
        • chronic N73.1

ICD-10-CM Codes Adjacent To N73.1
N70.91 Salpingitis, unspecified
N70.92 Oophoritis, unspecified
N70.93 Salpingitis and oophoritis, unspecified
N71 Inflammatory disease of uterus, except cervix
N71.0 Acute inflammatory disease of uterus
N71.1 Chronic inflammatory disease of uterus
N71.9 Inflammatory disease of uterus, unspecified
N72 Inflammatory disease of cervix uteri
N73 Other female pelvic inflammatory diseases
N73.0 Acute parametritis and pelvic cellulitis
N73.1 Chronic parametritis and pelvic cellulitis
N73.2 Unspecified parametritis and pelvic cellulitis
N73.3 Female acute pelvic peritonitis
N73.4 Female chronic pelvic peritonitis
N73.5 Female pelvic peritonitis, unspecified
N73.6 Female pelvic peritoneal adhesions (postinfective)
N73.8 Other specified female pelvic inflammatory diseases
N73.9 Female pelvic inflammatory disease, unspecified
N74 Female pelvic inflammatory disorders in diseases classified elsewhere
N75 Diseases of Bartholin's gland
N75.0 Cyst of Bartholin's gland

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.