2017/18 ICD-10-CM Diagnosis Code N90.1

Moderate vulvar dysplasia

ICD-10-CM Coding Rules
Applicable To
  • Vulvar intraepithelial neoplasia [VIN], grade II
The following code(s) above N90.1 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 N90.1:
  • N00-N99
    2018 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
  • N90
    ICD-10-CM Diagnosis Code N90

    Other noninflammatory disorders of vulva and perineum

      2016 2017 2018 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • anogenital (venereal) warts (A63.0)
    • carcinoma in situ of vulva (D07.1)
    • condyloma acuminatum (A63.0)
    • current obstetric trauma (O70.-, O71.7-O71.8)
    • inflammation of vulva (N76.-)
    • severe dysplasia of vulva (D07.1)
    • vulvar intraepithelial neoplasm III [VIN III] (D07.1)
    Other noninflammatory disorders of vulva and perineum
Approximate Synonyms ICD-10-CM N90.1 is grouped within Diagnostic Related Group(s) (MS-DRG v35.0):

Convert N90.1 to ICD-9-CM

Code History
Code annotations containing back-references to N90.1:

Diagnosis Index entries containing back-references to N90.1:

ICD-10-CM Codes Adjacent To N90.1
N89.1 Moderate vaginal dysplasia
N89.3 Dysplasia of vagina, unspecified
N89.4 Leukoplakia of vagina
N89.5 Stricture and atresia of vagina
N89.6 Tight hymenal ring
N89.7 Hematocolpos
N89.8 Other specified noninflammatory disorders of vagina
N89.9 Noninflammatory disorder of vagina, unspecified
N90 Other noninflammatory disorders of vulva and perineum
N90.0 Mild vulvar dysplasia
N90.1 Moderate vulvar dysplasia
N90.3 Dysplasia of vulva, unspecified
N90.4 Leukoplakia of vulva
N90.5 Atrophy of vulva
N90.6 Hypertrophy of vulva
N90.60 Unspecified hypertrophy of vulva
N90.61 Childhood asymmetric labium majus enlargement
N90.69 Other specified hypertrophy of vulva
N90.7 Vulvar cyst
N90.8 Other specified noninflammatory disorders of vulva and perineum
N90.81 Female genital mutilation status

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