Malignant neoplasms of respiratory and intrathoracic organs
51 codes in this section
About Section C30-C39
Section C30-C39 (C30-C39) covers malignant neoplasms of respiratory and intrathoracic organs. It sits within the Neoplasms chapter (C00-D49). This section contains 51 ICD-10-CM codes, 40 billable diagnoses you can submit on a claim, and 11 non-billable header codes used to organize the hierarchy.
Codes are organized below by 3-character root. Click the root to see all subcodes underneath it, or click any individual code for full coverage data, payer policies, and linked CPT procedures.
Codes in C30-C39
Grouped by 3-character root code. Click any code for full detail.
| C30.0 | Malignant neoplasm of nasal cavity | Billable |
| C30.1 | Malignant neoplasm of middle ear | Billable |
| C31.0 | Malignant neoplasm of maxillary sinus | Billable |
| C31.1 | Malignant neoplasm of ethmoidal sinus | Billable |
| C31.2 | Malignant neoplasm of frontal sinus | Billable |
| C31.3 | Malignant neoplasm of sphenoid sinus | Billable |
| C31.8 | Malignant neoplasm of overlapping sites of accessory sinuses | Billable |
| C31.9 | Malignant neoplasm of accessory sinus, unspecified | Billable |
| C32.0 | Malignant neoplasm of glottis | Billable |
| C32.1 | Malignant neoplasm of supraglottis | Billable |
| C32.2 | Malignant neoplasm of subglottis | Billable |
| C32.3 | Malignant neoplasm of laryngeal cartilage | Billable |
| C32.8 | Malignant neoplasm of overlapping sites of larynx | Billable |
| C32.9 | Malignant neoplasm of larynx, unspecified | Billable |
| C34.0 | Malignant neoplasm of main bronchus | Header |
| C34.00 | Malignant neoplasm of unspecified main bronchus | Billable |
| C34.01 | Malignant neoplasm of right main bronchus | Billable |
| C34.02 | Malignant neoplasm of left main bronchus | Billable |
| C34.1 | Malignant neoplasm of upper lobe, bronchus or lung | Header |
| C34.10 | Malignant neoplasm of upper lobe, unspecified bronchus or lung | Billable |
| C34.11 | Malignant neoplasm of upper lobe, right bronchus or lung | Billable |
| C34.12 | Malignant neoplasm of upper lobe, left bronchus or lung | Billable |
| C34.2 | Malignant neoplasm of middle lobe, bronchus or lung | Billable |
| C34.3 | Malignant neoplasm of lower lobe, bronchus or lung | Header |
| C34.30 | Malignant neoplasm of lower lobe, unspecified bronchus or lung | Billable |
| C34.31 | Malignant neoplasm of lower lobe, right bronchus or lung | Billable |
| C34.32 | Malignant neoplasm of lower lobe, left bronchus or lung | Billable |
| C34.8 | Malignant neoplasm of overlapping sites of bronchus and lung | Header |
| C34.80 | Malignant neoplasm of overlapping sites of unspecified bronchus and lung | Billable |
| C34.81 | Malignant neoplasm of overlapping sites of right bronchus and lung | Billable |
| C34.82 | Malignant neoplasm of overlapping sites of left bronchus and lung | Billable |
| C34.9 | Malignant neoplasm of unspecified part of bronchus or lung | Header |
| C34.90 | Malignant neoplasm of unspecified part of unspecified bronchus or lung | Billable |
| C34.91 | Malignant neoplasm of unspecified part of right bronchus or lung | Billable |
| C34.92 | Malignant neoplasm of unspecified part of left bronchus or lung | Billable |
| C38.0 | Malignant neoplasm of heart | Billable |
| C38.1 | Malignant neoplasm of anterior mediastinum | Billable |
| C38.2 | Malignant neoplasm of posterior mediastinum | Billable |
| C38.3 | Malignant neoplasm of mediastinum, part unspecified | Billable |
| C38.4 | Malignant neoplasm of pleura | Billable |
| C38.8 | Malignant neoplasm of overlapping sites of heart, mediastinum and pleura | Billable |
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on May 31, 2026.
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