ICD-10-CM D04.0 is the diagnosis code for Carcinoma in situ of skin of lip. This code falls under the section "In situ neoplasms" within Chapter 2 â Neoplasms (C00-D49). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
The following conditions are not included in D04.0. If the patient has both, code each condition separately:
Understanding where D04.0 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, D04.0 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
D04.0 is the ICD-10-CM diagnosis code for "Carcinoma in situ of skin of lip". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of D04.0 is D04 ("Carcinoma in situ of skin"). D04.0 provides a more specific classification within this category.
D04.0 is located in Section D00-D09 â "In situ neoplasms" within Chapter 2 of the ICD-10-CM Tabular List.
Use D04.0 when the patients documented diagnosis matches "Carcinoma in situ of skin of lip" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Carcinoma in situ of skin of lip is D04.0.
Yes, D04.0 can be used as a primary diagnosis code since it is billable and specific.
D04.0 is in Chapter 2 of the ICD-10-CM Tabular List.
Yes, D04.0 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.