N87.0

ICD-10-CM Coding Rules

• N87.0

Applicable To

• Cervical intraepithelial neoplasia I [CIN I]

Approximate Synonyms

• Cervical intraepithelial neoplasia grade 1

• Dysplasia of cervix, low grade cin 1

Clinical Information

• A precancerous neoplastic process that affects the cervical epithelium without evidence of invasion. It is usually associated with human papillomavirus infection. It is characterized by the presence of mild atypia in the superficial epithelial layer that may be associated with koilocytosis. Maturation is present in the upper two thirds of the epithelium. Mitotic figures are not numerous and are present in the basal third of the epithelium.

Details

• N87.0 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 N87.0 became effective on October 1, 2022.

• This is the American ICD-10-CM version of N87.0 – other international versions of ICD-10 N87.0 may differ.