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    OpenPayerBilling CodesMalignant neoplasms of respiratory and intrathoracic organsICD-10-CM c30-malignant-neoplasm-nasal-cavity-middle-ear
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    ICD-10-CM Code For Malignant Neoplasm Of Nasal Cavity And Middle Ear: Group Overview

    The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group C30 includes malignant neoplasms of the nasal cavity and middle ear, covering primary cancers arising in the nasal passages, paranasal sinuses when specified, and the middle ear structures. These ICD-10-CM diagnosis codes are used to document specific cancer sites, local extension, and laterality when present, capturing disease severity, organ involvement, or clinical complexity relevant to this group. Accurate coding within the ICD-10-CM C30 group supports proper claim adjudication.

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    ICD-10-CM C30: Malignant Neoplasm Of Nasal Cavity And Middle Ear Overview

    This group includes malignant tumors originating in the nasal cavity and the middle ear and surrounding structures of the head and neck. These diagnoses affect the respiratory and intrathoracic organ category due to their anatomical relationship with the upper airway and adjacent sinuses. Accurate coding ensures complete clinical documentation and supports appropriate reimbursement for services related to oncology care and surgical management.

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    When to Use

    Use a code from this group when a documented primary malignant tumor is localized to the nasal cavity or middle ear as the principal diagnosis for an encounter. These codes apply for encounters involving diagnosis, staging, treatment planning, surgical procedures, or follow-up care related to these cancers.

    ICD-10-CM Codes

    2 rows

    ICD-10-CM CodeDescription
    C30.0Malignant neoplasm of nasal cavity
    C30.1Malignant neoplasm of middle ear

    DRG Codes

    6 rows

    DRG CodeDescription
    011Tracheostomy for Face, Mouth and Neck Diagnoses or Laryngectomy with MCC
    012Tracheostomy for Face, Mouth and Neck Diagnoses or Laryngectomy with CC
    013Tracheostomy for Face, Mouth and Neck Diagnoses or Laryngectomy without CC/MCC
    146Ear, Nose, Mouth and Throat Malignancy with MCC
    147Ear, Nose, Mouth and Throat Malignancy with CC
    148Ear, Nose, Mouth and Throat Malignancy without CC/MCC

    Typical Clinical Scenarios

    • An elderly patient presents to the otolaryngology clinic with several months of unilateral nasal obstruction, intermittent epistaxis, and facial pain. Endoscopic examination reveals an irregular mass occupying the nasal cavity; biopsy confirms a primary malignant epithelial tumor arising from the nasal mucosa. A code from this group is assigned to capture the primary malignant neoplasm localized to the nasal cavity. Typical codes: C30.0
    • A middle-aged patient with chronic otitis media and new-onset persistent otorrhea and hearing loss is evaluated; otoscopic exam finds a mass in the middle ear, and imaging shows a destructive lesion of the tympanic cavity. Surgical biopsy demonstrates a primary malignant neoplasm of the middle ear, prompting assignment of the appropriate middle ear malignant neoplasm code. Typical codes: C30.1
    • A patient with known sinonasal malignancy is admitted to the hospital for acute epistaxis requiring nasal packing and transfusion; the visit documents progression of the primary tumor with local invasion causing bleeding and airway compromise. The encounter is coded to reflect the malignant neoplasm of the nasal cavity contributing to the acute complication and hospital care. Typical codes: C30.0

    Related Codes

    C31-MALIGNANT-NEOPLASM-ACCESSORY-SINUSES

    ICD-10-CM Code For Malignant Neoplasm Of Accessory Sinuses: Group Overview

    C32-MALIGNANT-NEOPLASM-OF-LARYNX

    ICD-10-CM Code For Malignant Neoplasm Of Larynx: Group Overview

    C33-MALIGNANT-NEOPLASM-OF-TRACHEA

    ICD-10-CM Code For Malignant Neoplasm Of Trachea: Group Overview

    C34-MALIGNANT-NEOPLASM-OF-BRONCHUS-AND-LUNG

    ICD-10-CM Code For Malignant Neoplasm Of Bronchus And Lung: Group Overview

    C37-MALIGNANT-NEOPLASM-OF-THYMUS

    ICD-10-CM Code For Malignant Neoplasm Of Thymus: Group Overview

    C38-MALIGNANT-NEOPLASM-HEART-MEDIASTINUM-PLEURA

    ICD-10-CM Code For Malignant Neoplasm Of Heart Mediastinum And Pleura: Group Overview

    C39-MALIGNANT-NEOPLASM-OTHER-ILL-DEFINED-SITES

    ICD-10-CM Code For Malignant Neoplasm Of Other And Ill-Defined Sites In The Respiratory System And Intrathoracic Organs: Group Overview

    Frequently Asked Questions

    References

    1. 1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
    2. 2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
    3. 3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.
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