N90
Non-billableOther noninflammatory disorders of vulva and perineum
Other noninflammatory disorders of vulva and perineum
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
- 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)
Child Codes (9)
N90.0Mild vulvar dysplasia
N90.1Moderate vulvar dysplasia
N90.3Dysplasia of vulva, unspecified
N90.4Leukoplakia of vulva
N90.5Atrophy of vulva
N90.6Hypertrophy of vulva
N90.7Vulvar cyst
N90.8Oth noninflammatory disorders of vulva and perineum
N90.9Noninflammatory disorder of vulva and perineum, unspecified
Also Known As / Clinical Terms
Frequently Asked Questions
What is ICD-10 code N90?
ICD-10-CM code N90 represents "Other noninflammatory disorders of vulva and perineum". It is a non-billable header code — use a more specific child code for billing purposes.
Is N90 a billable code?
No, N90 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 9 child codes under N90.
What chapter is N90 in?
N90 is in Chapter 14: Diseases of the Genitourinary System (codes N00-N99).
What codes cannot be used with N90?
N90 has Excludes1 notes indicating codes that cannot be used together with it, including: anogenital (venereal) warts (A63.0); carcinoma in situ of vulva (D07.1); condyloma acuminatum (A63.0); and 4 more.
What are the subcategories under N90?
N90 has 9 child codes, including: N90.0 (Mild vulvar dysplasia), N90.1 (Moderate vulvar dysplasia), N90.3 (Dysplasia of vulva, unspecified), N90.4 (Leukoplakia of vulva), and 5 more.
What are the UMLS CUIs for N90?
N90 is linked to 1 UMLS Concept Unique Identifier: C0495105. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.