C30-C39
Malignant neoplasms of respiratory and intrathoracic organs
Block coding notes
Excludes 1 never together · Excludes 2 may co-exist
Includes
malignant neoplasm of middle ear
Excludes 1
mesothelioma (C45.-)
Codes in this block
51 codes
Billableusable codeNon-billableheader / grouping codeRisk-adjusting
- C30Malignant neoplasm of nasal cavity and middle earNon-billable
- C30.0Malignant neoplasm of nasal cavityBillable
- C30.1Malignant neoplasm of middle earBillable
- C31Malignant neoplasm of accessory sinusesNon-billable
- C31.0Malignant neoplasm of maxillary sinusBillable
- C31.1Malignant neoplasm of ethmoidal sinusBillable
- C31.2Malignant neoplasm of frontal sinusBillable
- C31.3Malignant neoplasm of sphenoid sinusBillable
- C31.8Malignant neoplasm of overlapping sites of accessory sinusesBillable
- C31.9Malignant neoplasm of accessory sinus, unspecifiedBillable
- C32Malignant neoplasm of larynxNon-billable
- C32.0Malignant neoplasm of glottisBillable
- C32.1Malignant neoplasm of supraglottisBillable
- C32.2Malignant neoplasm of subglottisBillable
- C32.3Malignant neoplasm of laryngeal cartilageBillable
- C32.8Malignant neoplasm of overlapping sites of larynxBillable
- C32.9Malignant neoplasm of larynx, unspecifiedBillable
- C33Malignant neoplasm of tracheaBillable
- C34Malignant neoplasm of bronchus and lungNon-billable
- C34.0Malignant neoplasm of main bronchusNon-billable
- C34.00Malignant neoplasm of unspecified main bronchusBillable
- C34.01Malignant neoplasm of right main bronchusBillable
- C34.02Malignant neoplasm of left main bronchusBillable
- C34.1Malignant neoplasm of upper lobe, bronchus or lungNon-billable
- C34.10Malignant neoplasm of upper lobe, unspecified bronchus or lungBillable
- C34.11Malignant neoplasm of upper lobe, right bronchus or lungBillable
- C34.12Malignant neoplasm of upper lobe, left bronchus or lungBillable
- C34.2Malignant neoplasm of middle lobe, bronchus or lungBillable
- C34.3Malignant neoplasm of lower lobe, bronchus or lungNon-billable
- C34.30Malignant neoplasm of lower lobe, unspecified bronchus or lungBillable
- C34.31Malignant neoplasm of lower lobe, right bronchus or lungBillable
- C34.32Malignant neoplasm of lower lobe, left bronchus or lungBillable
- C34.8Malignant neoplasm of overlapping sites of bronchus and lungNon-billable
- C34.80Malignant neoplasm of overlapping sites of unspecified bronchus and lungBillable
- C34.81Malignant neoplasm of overlapping sites of right bronchus and lungBillable
- C34.82Malignant neoplasm of overlapping sites of left bronchus and lungBillable
- C34.9Malignant neoplasm of unspecified part of bronchus or lungNon-billable
- C34.90Malignant neoplasm of unspecified part of unspecified bronchus or lungBillable
- C34.91Malignant neoplasm of unspecified part of right bronchus or lungBillable
- C34.92Malignant neoplasm of unspecified part of left bronchus or lungBillable
- C37Malignant neoplasm of thymusBillable
- C38Malignant neoplasm of heart, mediastinum and pleuraNon-billable
- C38.0Malignant neoplasm of heartBillable
- C38.1Malignant neoplasm of anterior mediastinumBillable
- C38.2Malignant neoplasm of posterior mediastinumBillable
- C38.3Malignant neoplasm of mediastinum, part unspecifiedBillable
- C38.4Malignant neoplasm of pleuraBillable
- C38.8Malignant neoplasm of overlapping sites of heart, mediastinum and pleuraBillable
- C39Malignant neoplasm of other and ill-defined sites in the respiratory system and intrathoracic organsNon-billable
- C39.0Malignant neoplasm of upper respiratory tract, part unspecifiedBillable
- C39.9Malignant neoplasm of lower respiratory tract, part unspecifiedBillable
Official Guidelines for C30-C39
FY 2026 ›I.C.2Chapter-specific guidanceChapter 2: Neoplasms (C00-D49)
Subsections
- I.C.2.aAdmission/Encounter for treatment of primary site
- I.C.2.bAdmission/Encounter for treatment of secondary site
- I.C.2.cCoding and sequencing of complications
- I.C.2.dPrimary malignancy previously excised
- I.C.2.eAdmissions/Encounters involving antineoplastic chemotherapy, immunotherapy and radiation therapy
- I.C.2.fAdmission/encounter to determine extent of malignancy
- I.C.2.gSymptoms, signs, and abnormal findings listed in Chapter 18 associated with neoplasms
- I.C.2.hAdmission/encounter for pain control/management
- I.C.2.iMalignancy in two or more noncontiguous sites
- I.C.2.jDisseminated malignant neoplasm, unspecified
- I.C.2.kMalignant neoplasm without specification of site
- I.C.2.lSequencing of neoplasm codes
- I.C.2.mCurrent malignancy versus personal history of malignancy
- I.C.2.nLeukemia, Multiple Myeloma, and Malignant Plasma Cell
- I.C.2.oAftercare following surgery for neoplasm
- I.C.2.pFollow-up care for completed treatment of a malignancy
- I.C.2.qProphylactic organ removal for prevention of malignancy
- I.C.2.rMalignant neoplasm associated with transplanted organ
- I.C.2.sBreast Implant Associated Anaplastic Large Cell Lymphoma
- I.C.2.tSecondary malignant neoplasm of lymphoid tissue