D02.1 is the authoritative medical code for Carcinoma in situ of trachea. This classification is used in medical billing and clinical recording to specify the clinical criteria for carcinoma in situ of trachea (ICD-10-CM D02.1), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Official Registry Overview & Definition
Carcinoma in situ of trachea is a billable ICD-10-CM diagnosis code D02.1. Includes: Bowen's disease; erythroplasia; grade III intraepithelial neoplasia; Queyrat's erythroplasia. Excludes1 (not coded here): melanoma in situ D03.-. Use additional code: code to identify:; exposure to environmental tobacco smoke Z77.22; exposure to tobacco smoke in the perinatal period P96.81; history of tobacco dependence Z87.891; occupational exposure to environmental tobacco smoke Z57.31; tobacco dependence F17.-; tobacco use Z72.0.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for D02.1 in the official ICD-10-CM tabular list.
Includes
Conditions the official ICD-10-CM tabular list includes under this code.
- Bowen's disease
- erythroplasia
- grade III intraepithelial neoplasia
- Queyrat's erythroplasia
Excludes1 — Not Coded Here
Conditions that can never be reported with this code; the two are mutually exclusive.
Use Additional Code
Supplementary codes the tabular list directs you to add.
- code to identify:
- exposure to environmental tobacco smoke Z77.22
- exposure to tobacco smoke in the perinatal period P96.81
- history of tobacco dependence Z87.891
- occupational exposure to environmental tobacco smoke Z57.31
- tobacco dependence F17.-
- tobacco use Z72.0
Frequently Asked Questions (FAQ) & Clinical Guidance
What can't be coded together with D02.1?
Per Excludes1 instructions, D02.1 must not be reported with: melanoma in situ (D03.-).
Is an additional code needed with D02.1?
Use additional code(s) to specify: code to identify:; exposure to environmental tobacco smoke (Z77.22); exposure to tobacco smoke in the perinatal period (P96.81); history of tobacco dependence (Z87.891).
Codes in This Family (8)
Official ICD-10-CM classifications in the same code family as D02.1, with their registry titles.
- D02 — Carcinoma in situ of middle ear and respiratory system
- D02.0 — Carcinoma in situ of larynx
- D02.2 — Carcinoma in situ of bronchus and lung
- D02.20 — Carcinoma in situ of unspecified bronchus and lung
- D02.21 — Carcinoma in situ of right bronchus and lung
- D02.22 — Carcinoma in situ of left bronchus and lung
- D02.3 — Carcinoma in situ of other parts of respiratory system
- D02.4 — Carcinoma in situ of respiratory system, unspecified
Neoplasm Table Sites (4)
Anatomical sites from the official ICD-10-CM Table of Neoplasms that map to this code, with the matching behavior column.
- Neoplasm, neoplastic, cartilage NEC (articular) (joint), trachea — Ca in situ
- Neoplasm, neoplastic, trachea (cartilage) (mucosa) — Ca in situ
- Neoplasm, neoplastic, tracheobronchial — Ca in situ
- Neoplasm, neoplastic, windpipe — Ca in situ
Related Codes & Numerical Sequence (Crawl Map)
Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures: