2026 ICD-10-CM Diagnosis Code D02.0Carcinoma in situ of larynx
ICD-10-CM Codes›C00–D49›D00-D09›D02
- Billable — Valid for Submission
- Chronic Condition
D02.0 is a billable ICD-10-CM diagnosis code for carcinoma in situ of larynx. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 146 through 148. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Head and neck cancers - laryngeal.
Code Identity
Code Classification
Approximate SynonymsGuidance
Alternate terms and clinical phrases that map to this code.
- Carcinoma in situ of anterior commissure
- Carcinoma in situ of aryepiglottic fold
- Carcinoma in situ of arytenoid cartilage
- Carcinoma in situ of corniculate cartilage
- Carcinoma in situ of cricoid cartilage
- Carcinoma in situ of cuneiform cartilage
- Carcinoma in situ of epiglottis
- Carcinoma in situ of glottis
- Carcinoma in situ of hypopharynx
- Carcinoma in situ of junctional region of epiglottis
- Carcinoma in situ of laryngeal aspect of aryepiglottic fold
- Carcinoma in situ of laryngeal aspect of interarytenoid fold
- Carcinoma in situ of laryngeal commissure
- Carcinoma in situ of laryngeal surface of epiglottis
- Carcinoma in situ of larynx
- Carcinoma in situ of posterior commissure
- Carcinoma in situ of subglottis
- Carcinoma in situ of supraglottis
- Carcinoma in situ of thyroid cartilage
- Carcinoma in situ of vestibular fold
- Carcinoma in situ of vocal cord
- Neoplasm of arytenoid cartilage
- Neoplasm of false vocal cord
- Neoplasm of laryngeal aspect of aryepiglottic fold
- Neoplasm of laryngeal aspect of interarytenoid fold
- Neoplasm of laryngeal surface of epiglottis
- Tumor of anterior commissure
- Tumor of posterior commissure
Tabular List NotesGuidance
Coding notes and annotation back-references applicable to this code.
Inclusion Terms
- Carcinoma in situ of aryepiglottic fold or interarytenoid fold, laryngeal aspect
- Carcinoma in situ of epiglottis (suprahyoid portion)
Type 1 Excludes
- carcinoma in situ of aryepiglottic fold or interarytenoid fold NOS D00.08
- carcinoma in situ of hypopharyngeal aspect D00.08
- carcinoma in situ of marginal zone D00.08
These terms are the conditions for which that code is to be used. The terms may be synonyms of the code title, or, in the case of "other specified" codes, the terms are a list of the various conditions assigned to that code. The inclusion terms are not necessarily exhaustive. Additional terms found only in the Alphabetic Index may also be assigned to a code.
A type 1 excludes note is a pure excludes note. It means "NOT CODED HERE!" An Excludes1 note indicates that the code excluded should never be used at the same time as the code above the Excludes1 note. An Excludes1 is used when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
Clinical InformationClinical
Epiglottis
a thin leaf-shaped cartilage that is covered with laryngeal mucosa and situated posterior to the root of the tongue and hyoid bone. during swallowing, the epiglottis folds back over the larynx inlet thus prevents foods from entering the airway.Glottis
the vocal apparatus of the larynx, situated in the middle section of the larynx. glottis consists of the vocal folds and an opening (rima glottidis) between the folds.
Table of NeoplasmsClinical
Anatomical sites in the Table of Neoplasms that reference this code family.
| Site | Malig. Primary | Malig. Secondary | Ca in situ | Benign | Uncertain | Unspec. |
|---|---|---|---|---|---|---|
| aryepiglottic fold › laryngeal aspect | C32.1 | C78.39 | D02.0 | D14.1 | D38.0 | D49.1 |
| arytenoid (cartilage) | C32.3 | C78.39 | D02.0 | D14.1 | D38.0 | D49.1 |
| cartilage (articular) (joint) NEC [See Also: Neoplasm, bone] › arytenoid | C32.3 | C78.39 | D02.0 | D14.1 | D38.0 | D49.1 |
| cartilage (articular) (joint) NEC [See Also: Neoplasm, bone] › cricoid | C32.3 | C78.39 | D02.0 | D14.1 | D38.0 | D49.1 |
| cartilage (articular) (joint) NEC [See Also: Neoplasm, bone] › cuneiform | C32.3 | C78.39 | D02.0 | D14.1 | D38.0 | D49.1 |
| cartilage (articular) (joint) NEC [See Also: Neoplasm, bone] › epiglottis | C32.1 | C78.39 | D02.0 | D14.1 | D38.0 | D49.1 |
| cartilage (articular) (joint) NEC [See Also: Neoplasm, bone] › larynx, laryngeal | C32.3 | C78.39 | D02.0 | D14.1 | D38.0 | D49.1 |
| cartilage (articular) (joint) NEC [See Also: Neoplasm, bone] › thyroid | C32.3 | C78.39 | D02.0 | D14.1 | D38.0 | D49.1 |
| commissure › laryngeal | C32.0 | C78.39 | D02.0 | D14.1 | D38.0 | D49.1 |
| cord (true) (vocal) | C32.0 | C78.39 | D02.0 | D14.1 | D38.0 | D49.1 |
| cord (true) (vocal) › false | C32.1 | C78.39 | D02.0 | D14.1 | D38.0 | D49.1 |
| cricoid › cartilage | C32.3 | C78.39 | D02.0 | D14.1 | D38.0 | D49.1 |
| cuneiform cartilage | C32.3 | C78.39 | D02.0 | D14.1 | D38.0 | D49.1 |
| epiglottis | C32.1 | C78.39 | D02.0 | D14.1 | D38.0 | D49.1 |
| epiglottis › cartilage | C32.3 | C78.39 | D02.0 | D14.1 | D38.0 | D49.1 |
| epiglottis › posterior (laryngeal) surface | C32.1 | C78.39 | D02.0 | D14.1 | D38.0 | D49.1 |
| epiglottis › suprahyoid portion | C32.1 | C78.39 | D02.0 | D14.1 | D38.0 | D49.1 |
| glottis | C32.0 | C78.39 | D02.0 | D14.1 | D38.0 | D49.1 |
| interarytenoid fold › laryngeal aspect | C32.1 | C78.39 | D02.0 | D14.1 | D38.0 | D49.1 |
| larynx, laryngeal NEC | C32.9 | C78.39 | D02.0 | D14.1 | D38.0 | D49.1 |
| larynx, laryngeal NEC › aryepiglottic fold | C32.1 | C78.39 | D02.0 | D14.1 | D38.0 | D49.1 |
| larynx, laryngeal NEC › cartilage (arytenoid) (cricoid) (cuneiform) (thyroid) | C32.3 | C78.39 | D02.0 | D14.1 | D38.0 | D49.1 |
| larynx, laryngeal NEC › commissure (anterior) (posterior) | C32.0 | C78.39 | D02.0 | D14.1 | D38.0 | D49.1 |
| larynx, laryngeal NEC › extrinsic NEC | C32.1 | C78.39 | D02.0 | D14.1 | D38.0 | D49.1 |
| larynx, laryngeal NEC › interarytenoid fold | C32.1 | C78.39 | D02.0 | D14.1 | D38.0 | D49.1 |
| larynx, laryngeal NEC › intrinsic | C32.0 | C78.39 | D02.0 | D14.1 | D38.0 | D49.1 |
| larynx, laryngeal NEC › ventricular band | C32.1 | C78.39 | D02.0 | D14.1 | D38.0 | D49.1 |
| subglottis, subglottic | C32.2 | C78.39 | D02.0 | D14.1 | D38.0 | D49.1 |
| supraglottis | C32.1 | C78.39 | D02.0 | D14.1 | D38.0 | D49.1 |
| thyroid (gland) › cartilage | C32.3 | C78.39 | D02.0 | D14.1 | D38.0 | D49.1 |
| ventricular band of larynx | C32.1 | C78.39 | D02.0 | D14.1 | D38.0 | D49.1 |
| vocal cords (true) | C32.0 | C78.39 | D02.0 | D14.1 | D38.0 | D49.1 |
| vocal cords (true) › false | C32.1 | C78.39 | D02.0 | D14.1 | D38.0 | D49.1 |
Patient EducationClinical
Throat Cancer
Throat cancer is a type of head and neck cancer. Throat cancer has different names, depending on which part of the throat is affected. The different parts of your throat are called the oropharynx, the hypopharynx, the nasopharynx, and the larynx, or voice box.
Read the full article at MedlinePlus
Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.
Convert D02.0 to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About D02.0Overview
Is D02.0 (Carcinoma in situ of middle ear and respiratory system) a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report carcinoma in situ of larynx on HIPAA-covered claims from October 1, 2025 through September 30, 2026.
What MS-DRG does D02.0 group to?
When carcinoma in situ of larynx is the principal diagnosis on an inpatient stay, it groups to MS-DRG 146, 147, 148, with relative weights from 0.7971 to 2.1174 depending on complications. Higher weights mean higher Medicare reimbursement.
What is the ICD-9 equivalent of D02.0?
Under the General Equivalence Mappings, carcinoma in situ of larynx converts to ICD-9-CM 231.0 (ca in situ larynx). The mapping is a direct match.
Footnotes
[1] Chronic - a chronic condition code indicates a condition lasting 12 months or longer and its effect on the patient based on one or both of the following criteria:
- The condition results in the need for ongoing intervention with medical products,treatment, services, and special equipment
- The condition places limitations on self-care, independent living, and social interactions.
