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ICD-10-CM Codes
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N00-N99
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N80-N98
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N90-
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2023 ICD-10-CM Diagnosis Code N90.4
2023 ICD-10-CM Diagnosis Code N90.4
Leukoplakia of vulva
2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code Female Dx
- N90.4 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2023 edition of ICD-10-CM N90.4 became effective on October 1, 2022.
- This is the American ICD-10-CM version of N90.4 - other international versions of ICD-10 N90.4 may differ.
ICD-10-CM Coding Rules
- N90.4 is applicable to female patients.
Applicable To- Dystrophy of vulva
- Kraurosis of vulva
- Lichen sclerosus of external female genital organs
The following code(s) above
N90.4 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
N90.4:
- Dystrophy of vulva
- Hypertrophic dystrophy of vulva
- Squamous cell hyperplasia of vulva
Clinical Information
- Atrophy and shriveling of the skin of the vulva that is characterized by the whitish lichen sclerosus appearance, inflammation, and pruritus.
ICD-10-CM N90.4 is grouped within Diagnostic Related Group(s) (MS-DRG v40.0):
- 742 Uterine and adnexa procedures for non-malignancy with cc/mcc
- 743 Uterine and adnexa procedures for non-malignancy without cc/mcc
- 760 Menstrual and other female reproductive system disorders with cc/mcc
- 761 Menstrual and other female reproductive system disorders without cc/mcc
Convert N90.4 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
- 2021 (effective 10/1/2020): No change
- 2022 (effective 10/1/2021): No change
- 2023 (effective 10/1/2022): No change
Code annotations containing back-references to N90.4:
- Breisky's disease N90.4
- Disease, diseased - see also Syndrome
- Dystrophy, dystrophia
- Hyperkeratosis L85.9 - see also Keratosis
ICD-10-CM Diagnosis Code L85.9
Epidermal thickening, unspecified
2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
- Kraurosis
- Leukokraurosis vulva N90.4 (e)
- Leukoplakia
- Lichen L28.0
ICD-10-CM Diagnosis Code L28.0
Lichen simplex chronicus
2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
Applicable To- Circumscribed neurodermatitis
- Lichen NOS
- albus L90.0
ICD-10-CM Diagnosis Code L90.0
Lichen sclerosus et atrophicus
2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
Type 2 Excludes- lichen sclerosus of external female genital organs (N90.4)
- lichen sclerosus of external male genital organs (N48.0)
- atrophicus L90.0
ICD-10-CM Diagnosis Code L90.0
Lichen sclerosus et atrophicus
2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
Type 2 Excludes- lichen sclerosus of external female genital organs (N90.4)
- lichen sclerosus of external male genital organs (N48.0)
- sclerosus (et atrophicus) L90.0
ICD-10-CM Diagnosis Code L90.0
Lichen sclerosus et atrophicus
2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
Type 2 Excludes- lichen sclerosus of external female genital organs (N90.4)
- lichen sclerosus of external male genital organs (N48.0)
- Vulvitis (acute) (allergic) (atrophic) (hypertrophic) (intertriginous) (senile) N76.2
ICD-10-CM Diagnosis Code N76.2
Acute vulvitis
2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code Female Dx
ICD-10-CM Codes Adjacent To N90.4
N89.4 Leukoplakia of vagina
N89.5 Stricture and atresia of vagina
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
N90.6 Hypertrophy of vulva
N90.60 Unspecified hypertrophy of vulva
N90.61 Childhood asymmetric labium majus enlargement
N90.69 Other specified hypertrophy of vulva
N90.8 Other specified noninflammatory disorders of vulva and perineum
N90.81 Female genital mutilation status
N90.811 Female genital mutilation Type I status
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
