Non-Billable / Non-Specific Code
ICD-10-CM D00.0 is the diagnosis code for Carcinoma in situ of lip, oral cavity and pharynx. This code falls under the section "In situ neoplasms" within Chapter 2 — Neoplasms (C00-D49). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. 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 should never be coded at the same time as D00.0. They are mutually exclusive:
Understanding where D00.0 sits in the ICD-10-CM classification helps ensure proper coding:
No, D00.0 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
D00.0 is the ICD-10-CM diagnosis code for "Carcinoma in situ of lip, oral cavity and pharynx". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of D00.0 is D00 ("Carcinoma in situ of oral cavity, esophagus and stomach"). D00.0 provides a more specific classification within this category.
D00.0 is located in Section D00-D09 — "In situ neoplasms" within Chapter 2 of the ICD-10-CM Tabular List.
D00.0 has 9 sub-code(s) that provide more specific detail: D00.00, D00.01, D00.02, D00.03, D00.04 and more.
Use D00.0 when the patients documented diagnosis matches "Carcinoma in situ of lip, oral cavity and pharynx" 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 lip, oral cavity and pharynx is D00.0.
No, D00.0 is non-billable. Use a more specific sub-code for primary diagnosis billing.
D00.0 is in Chapter 2 of the ICD-10-CM Tabular List.
Type 1 Excludes for D00.0 include: carcinoma in situ of aryepiglottic fold or interarytenoid fold, laryngeal aspect (D02.0); carcinoma in situ of epiglottis NOS (D02.0); carcinoma in situ of epiglottis suprahyoid portion (D02.0) and more.
Yes, D00.0 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.