D06

D06 is an ICD-10-CM diagnosis code used to classify carcinoma in situ of the cervix uteri, a non-invasive neoplasm confined to the epithelial layer of the cervix. It is part of the ICD-10-CM group D00–D09, which covers in situ neoplasms, and specifically designates lesions that have not invaded deeper cervical tissues.

Clinically, D06 indicates an early-stage cervical neoplasm detected during screening. Carcinoma in situ refers to abnormal cells that have not penetrated the basement membrane, and without treatment there is a potential for progression to invasive cervical cancer. Detection typically involves cervical cytology (Pap test) and HPV testing, with histopathologic confirmation from colposcopic biopsy.

Management aims to remove or destroy the abnormal tissue while preserving cervical function. Treatment options include excisional procedures or ablation, selected based on lesion characteristics, patient age, fertility considerations, and overall health. Prognosis for treated cervical in situ cancer is generally favorable, with high cure rates when appropriately managed.

Coding notes: D06 is used as the principal diagnosis when the cervical in situ lesion is the main clinical concern. Additional digits in the code may specify the exact region of the cervix and histologic details. Accurate documentation of site, grade, and HPV status supports proper coding and treatment planning.

See also: ICD-10-CM coding system; carcinoma in situ; cervix uteri.