Malignant neoplasms of respiratory and intrathoracic organs (C30-C39)
chapter 2: Neoplasms
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Instructional notes
Includes: conditions that are coded here
- malignant neoplasm of middle ear
Excludes1: not coded here, use a different code
- mesothelioma (C45.-)
Official coding guidelines
From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.
Rules for coding benign and malignant neoplasms: using the Neoplasm Table, sequencing primary and secondary sites, treatment encounters, complications, and current cancer versus personal history.
- Admission/Encounter for treatment of primary site (page 33)
- Admission/Encounter for treatment of secondary site (page 33)
- Coding and sequencing of complications (page 34)
- Primary malignancy previously excised (page 34)
- Admissions/Encounters involving antineoplastic chemotherapy, immunotherapy and radiation therapy (page 35)
- Admission/encounter to determine extent of malignancy (page 36)
- Symptoms, signs, and abnormal findings listed in Chapter 18 associated with neoplasms (page 36)
- Admission/encounter for pain control/management (page 36)
All codes under C30-C39
C30-C39 can't be used on a claim. Pick a billable code below; grey headings group them.
- C30Malignant neoplasm of nasal cavity and middle ear
- C30.0Malignant neoplasm of nasal cavity
- C30.1Malignant neoplasm of middle ear
- C31Malignant neoplasm of accessory sinuses
- C31.0Malignant neoplasm of maxillary sinus
- C31.1Malignant neoplasm of ethmoidal sinus
- C31.2Malignant neoplasm of frontal sinus
- C31.3Malignant neoplasm of sphenoid sinus
- C31.8Malignant neoplasm of overlapping sites of accessory sinuses
- C31.9Malignant neoplasm of accessory sinus, unspecified
- C32Malignant neoplasm of larynx
- C32.0Malignant neoplasm of glottis
- C32.1Malignant neoplasm of supraglottis
- C32.2Malignant neoplasm of subglottis
- C32.3Malignant neoplasm of laryngeal cartilage
- C32.8Malignant neoplasm of overlapping sites of larynx
- C32.9Malignant neoplasm of larynx, unspecified
- C33Malignant neoplasm of trachea
- C34Malignant neoplasm of bronchus and lung
- C34.0Malignant neoplasm of main bronchus
- C34.00Malignant neoplasm of unspecified main bronchus
- C34.01Malignant neoplasm of right main bronchus
- C34.02Malignant neoplasm of left main bronchus
- C34.1Malignant neoplasm of upper lobe, bronchus or lung
- C34.10Malignant neoplasm of upper lobe, unspecified bronchus or lung
- C34.11Malignant neoplasm of upper lobe, right bronchus or lung
- C34.12Malignant neoplasm of upper lobe, left bronchus or lung
- C34.2Malignant neoplasm of middle lobe, bronchus or lung
- C34.3Malignant neoplasm of lower lobe, bronchus or lung
- C34.30Malignant neoplasm of lower lobe, unspecified bronchus or lung
- C34.31Malignant neoplasm of lower lobe, right bronchus or lung
- C34.32Malignant neoplasm of lower lobe, left bronchus or lung
- C34.8Malignant neoplasm of overlapping sites of bronchus and lung
- C34.80Malignant neoplasm of overlapping sites of unspecified bronchus and lung
- C34.81Malignant neoplasm of overlapping sites of right bronchus and lung
- C34.82Malignant neoplasm of overlapping sites of left bronchus and lung
- C34.9Malignant neoplasm of unspecified part of bronchus or lung
- C34.90Malignant neoplasm of unspecified part of unspecified bronchus or lung
- C34.91Malignant neoplasm of unspecified part of right bronchus or lung
- C34.92Malignant neoplasm of unspecified part of left bronchus or lung
- C37Malignant neoplasm of thymus
- C38Malignant neoplasm of heart, mediastinum and pleura
- C38.0Malignant neoplasm of heart
- C38.1Malignant neoplasm of anterior mediastinum
- C38.2Malignant neoplasm of posterior mediastinum
- C38.3Malignant neoplasm of mediastinum, part unspecified
- C38.4Malignant neoplasm of pleura
- C38.8Malignant neoplasm of overlapping sites of heart, mediastinum and pleura
- C39Malignant neoplasm of other and ill-defined sites in the respiratory system and intrathoracic organs
- C39.0Malignant neoplasm of upper respiratory tract, part unspecified
- C39.9Malignant neoplasm of lower respiratory tract, part unspecified
C30-C39 MS-DRGs
This code does not group to an MS-DRG as a principal diagnosis.
About the condition
Plain-language background from MedlinePlus (National Library of Medicine), not coding guidance.
Nasal Cancer
Your paranasal sinuses are small hollow spaces around the nose. They are lined with cells that make mucus, which keeps your nose from drying out. The nasal cavity is the passageway just behind your nose. Air passes through it on the way to your throat as you breathe.
Read more about nasal cancer on MedlinePlus