N87.9

Dysplasia of cervix uteri, unspecified

FY2027Chapter 14: Diseases of the genitourinary system/N80–N98 Noninflammatory disorders of female genital tract

BillableComplete code, valid to report

N87.9 (also written N879) is a billable ICD-10-CM diagnosis code for dysplasia of cervix uteri, unspecified. It is part of the FY2027 code set, effective October 1, 2026. It is one of the 3 codes in category N87 (Dysplasia of cervix uteri). The Alphabetic Index lists it under 4 entries. Its coding notes include 5 Excludes1 entries and 8 Excludes2 entries.

Excludes1

Not coded here. The listed conditions generally should not be reported together.

Inherited from N87 Dysplasia of cervix uteri
  • abnormal results from cervical cytologic examination without histologic confirmation (R87.61-)
  • carcinoma in situ of cervix uteri (D06.-)
  • cervical intraepithelial neoplasia III [CIN III] (D06.-)
  • HGSIL of cervix (R87.613)
  • severe dysplasia of cervix uteri (D06.-)

Excludes2

Not included here. Both codes may be reported if the patient has both conditions.

Also from chapter/block level (8 notes)
Inherited from Chapter 14 Diseases of the genitourinary system
  • 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)

Care settings

How CMS programs treat this code. These are CMS claim edits and list entries, not coverage or eligibility rules.

Home Health Primary

Accepted as the primary (principal) diagnosis on a home health claim. The Home Health Grouper assigns it to the MMTA - Gastrointestinal tract and Genitourinary system clinical group.

Source: CMS Home Health Grouper Software v07.2.26, effective October 1, 2026

Inclusion terms

Conditions classified to this code.

This code
  • Anaplasia of cervix
  • Cervical atypism
  • Cervical dysplasia NOS

Alphabetic Index terms

Terms the official Alphabetic Index lists for this code. 4 entries