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    v1.0.28
    OpenPayerBilling CodesMalignant neoplasms of lip, oral cavity and pharynxICD-10-CM c05-malignant-neoplasm-of-palate
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    ICD-10-CM Code For Malignant Neoplasm Of Palate: Group Overview

    The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group C05 includes malignant neoplasms of the hard and soft palate, covering primary cancers originating in palate mucosa and submucosal tissues. These ICD-10-CM diagnosis codes are used to document primary malignant tumors of the palate, capturing site-specific disease involvement and clinical severity for treatment planning and staging. Accurate coding within the ICD-10-CM C05 group supports proper claim adjudication, complete clinical documentation, and appropriate reimbursement.

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    ICD-10-CM C05: Malignant Neoplasm Of Palate Overview

    This group includes malignant tumors arising from the hard and soft palate, part of the oral cavity. These diagnoses affect the oral mucosa and adjacent structures and often require coordinated surgical, medical, and radiation oncology care. Accurate coding matters for documenting disease site and extent, which supports correct claim adjudication and clinical records.

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    When to Use

    Use a code from this group when a confirmed malignant neoplasm is documented as originating in the hard or soft palate. These codes apply for clinical encounters involving diagnosis recording, treatment planning, staging, and follow-up specific to palate malignancy.

    ICD-10-CM Codes

    5 rows

    ICD-10-CM CodeDescription
    C05.0Malignant neoplasm of hard palate
    C05.1Malignant neoplasm of soft palate
    C05.2Malignant neoplasm of uvula
    C05.8Malignant neoplasm of overlapping sites of palate
    C05.9Malignant neoplasm of palate, unspecified

    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 with heavy tobacco and alcohol history presents with a several-month history of a non-healing ulcer and progressive pain on the soft palate with difficulty swallowing and ear pain. Examination and biopsy confirm an invasive squamous cell carcinoma centered on the soft palate, and staging workup is initiated; a code from this group is assigned to capture the primary malignant lesion location. Typical codes: C05.1
    • A middle-aged patient notices a firm mass on the hard palate that has gradually enlarged over many months without acute symptoms but with recent dental prosthesis irritation; oral oncology biopsy shows invasive carcinoma of the hard palate, and the patient is scheduled for definitive treatment planning. Typical codes: C05.0
    • A patient undergoing treatment for oropharyngeal cancer develops recurrent disease with an indeterminate primary involving the palate region noted on imaging and biopsy, complicating ongoing radiation and systemic therapy; the record documents a malignant neoplasm of the palate as a comorbid active cancer site for treatment decisions and billing. Typical codes: C05.9, C05.8

    Related Codes

    C00-MALIGNANT-NEOPLASM-OF-LIP

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

    C01-MALIGNANT-NEOPLASM-BASE-OF-TONGUE

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

    C02-MALIGNANT-NEOPLASM-OF-TONGUE

    ICD-10-CM Code For Malignant Neoplasm Of Other And Unspecified Parts Of Tongue: Group Overview

    C03-MALIGNANT-NEOPLASM-OF-GUM

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

    C04-MALIGNANT-NEOPLASM-OF-FLOOR-OF-MOUTH

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

    C06-MALIGNANT-NEOPLASM-OF-MOUTH

    ICD-10-CM Code For Malignant Neoplasm Of Other And Unspecified Parts Of Mouth: Group Overview

    C07-MALIGNANT-NEOPLASM-OF-PAROTID-GLAND

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

    C08-MALIGNANT-SALIVARY-GLAND-NEOPLASMS

    ICD-10-CM Code For Malignant Neoplasm Of Other And Unspecified Major Salivary Glands: Group Overview

    C09-MALIGNANT-NEOPLASM-OF-TONSIL

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

    C10-MALIGNANT-NEOPLASM-OF-OROPHARYNX

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

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    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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