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N90 ICD-10-CA category: Other noninflammatory disorders of vulva and perineum

N90 isn’t a code on its own. Choose one of the 10 codes beneath it, the one the documentation supports.

Official description

N90

Other noninflammatory disorders of vulva and perineum

ICD-10-CA · Canada

Codes in N90

N90 isn’t a code on its own. Open the code that matches what the note documents.

N90.0Mild vulvar dysplasiaN90.1Moderate vulvar dysplasiaN90.2Severe vulvar dysplasia, not elsewhere classifiedN90.3Dysplasia of vulva, unspecifiedN90.4Leukoplakia of vulvaN90.5Atrophy of vulvaN90.6Hypertrophy of vulvaN90.7Vulvar cystN90.8Other specified noninflammatory disorders of vulva and perineumN90.9Noninflammatory disorder of vulva and perineum, unspecified

Notes for N90

As CIHI prints them, with any note N90 takes from the headings above it.

Excludes

Conditions classified elsewhere.

  • Carcinoma in situ of vulva (D07.1)current obstetric trauma (O70.-, O71.7-O71.8)inflammation of vulva (N76.-)
  • Certain conditions originating in the perinatal period (P00-P96)certain infectious and parasitic diseases (A00-B99)complications of pregnancy, childbirth and the puerperium (O00-O99)congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)endocrine, nutritional and metabolic diseases (E00-E90)injury, poisoning and certain other consequences of external causes (S00-T98)neoplasms (C00-D48)symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)From Chapter 14: Diseases of the genitourinary system (N00-N99)

Where N90 sits

  1. 1ChapterChapter 14: Diseases of the genitourinary system (N00-N99)
  2. 2Block N80-N98Noninflammatory disorders of female genital tract
  3. 3Category N90Other noninflammatory disorders of vulva and perineum

Source and release

Data release
ICD-10-CA · FY 2026–2027
Effective date
Apr 1, 2026
Publisher
CIHI

This page is built from the ICD-10-CA catalog that Vero Codes reads when it suggests codes: Canadian Institute for Health Information’s FY 2026–2027 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.

See N90 in the CIHI source

Frequently asked questions

Is N90 a valid ICD-10-CA code?

No. N90 (Other noninflammatory disorders of vulva and perineum) is a category heading in CIHI’s ICD-10-CA FY 2026–2027 release. It holds 10 codes; record the one the documentation supports.

Where is N90 in ICD-10-CA?

N90 sits under N80-N98 Noninflammatory disorders of female genital tract, within Chapter 14: Diseases of the genitourinary system (N00-N99).

What coding notes apply to N90?

ICD-10-CA lists Excludes notes for N90, including those from the headings it sits under. They are listed on this page with where each one comes from.

Which ICD-10-CA release does this page use?

It uses CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026 to Mar 31, 2027. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.

Codes beside N90

N80EndometriosisN81Female genital prolapseN82Fistulae involving female genital tractN83Noninflammatory disorders of ovary, fallopian tube and broad ligamentN84Polyp of female genital tractN85Other noninflammatory disorders of uterus, except cervixN86Erosion and ectropion of cervix uteriN87Dysplasia of cervix uteriN88Other noninflammatory disorders of cervix uteriN89Other noninflammatory disorders of vaginaN91Absent, scanty and rare menstruationN92Excessive, frequent and irregular menstruationN93Other abnormal uterine and vaginal bleedingN94Pain and other conditions associated with female genital organs and menstrual cycleN95Menopausal and other perimenopausal disordersN96Habitual aborterN97Female infertilityN98Complications associated with artificial fertilization