Billable / Specific Code
ICD-10-CM D02.3 is the diagnosis code for Carcinoma in situ of other parts of respiratory system. This code falls under the section "In situ neoplasms" within Chapter 2 — 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 should never be coded at the same time as D02.3. They are mutually exclusive:
Understanding where D02.3 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, D02.3 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
D02.3 is the ICD-10-CM diagnosis code for "Carcinoma in situ of other parts of respiratory system". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of D02.3 is D02 ("Carcinoma in situ of middle ear and respiratory system"). D02.3 provides a more specific classification within this category.
D02.3 is located in Section D00-D09 — "In situ neoplasms" within Chapter 2 of the ICD-10-CM Tabular List.
Use D02.3 when the patients documented diagnosis matches "Carcinoma in situ of other parts of respiratory system" 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 other parts of respiratory system is D02.3.
Yes, D02.3 can be used as a primary diagnosis code since it is billable and specific.
D02.3 is in Chapter 2 of the ICD-10-CM Tabular List.
Type 1 Excludes for D02.3 include: carcinoma in situ of ear (external) (skin) (D04.2-); carcinoma in situ of nose NOS (D09.8); carcinoma in situ of skin of nose (D04.3).
Yes, D02.3 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.