All ICD10 Codes
Chapter 2

C00–D49: Neoplasms

Neoplasms diagnostic classification updated for 2026.

All CodesBillable Only
Internal Codes
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  • C31—

    Malignant neoplasm of accessory sinuses

  • C31.0—

    Malignant neoplasm of maxillary sinus

  • C31.1—

    Malignant neoplasm of ethmoidal sinus

  • C31.2—

    Malignant neoplasm of frontal sinus

  • C31.3—

    Malignant neoplasm of sphenoid sinus

  • C31.8—

    Malignant neoplasm of overlapping sites of accessory sinuses

  • C31.9—

    Malignant neoplasm of accessory sinus, unspecified

  • C32—

    Malignant neoplasm of larynx

  • C32.0—

    Malignant neoplasm of glottis

  • C32.1—

    Malignant neoplasm of supraglottis

  • C32.2—

    Malignant neoplasm of subglottis

  • C32.3—

    Malignant neoplasm of laryngeal cartilage

  • C32.8—

    Malignant neoplasm of overlapping sites of larynx

  • C32.9—

    Malignant neoplasm of larynx, unspecified

  • C33—

    Malignant neoplasm of trachea

  • C34—

    Malignant neoplasm of bronchus and lung

  • C34.0—

    Malignant neoplasm of main bronchus

  • C34.00—

    Malignant neoplasm of unspecified main bronchus

  • C34.01—

    Malignant neoplasm of right main bronchus

  • C34.02—

    Malignant neoplasm of left main bronchus

  • C34.1—

    Malignant neoplasm of upper lobe, bronchus or lung

  • C34.10—

    Malignant neoplasm of upper lobe, unspecified bronchus or lung

  • C34.11—

    Malignant neoplasm of upper lobe, right bronchus or lung

  • C34.12—

    Malignant neoplasm of upper lobe, left bronchus or lung

  • C34.2—

    Malignant neoplasm of middle lobe, bronchus or lung

  • C34.3—

    Malignant neoplasm of lower lobe, bronchus or lung

  • C34.30—

    Malignant neoplasm of lower lobe, unspecified bronchus or lung

  • C34.31—

    Malignant neoplasm of lower lobe, right bronchus or lung

  • C34.32—

    Malignant neoplasm of lower lobe, left bronchus or lung

  • C34.8—

    Malignant neoplasm of overlapping sites of bronchus and lung

  • C34.80—

    Malignant neoplasm of overlapping sites of unspecified bronchus and lung

  • C34.81—

    Malignant neoplasm of overlapping sites of right bronchus and lung

  • C34.82—

    Malignant neoplasm of overlapping sites of left bronchus and lung

  • C34.9—

    Malignant neoplasm of unspecified part of bronchus or lung

  • C34.90—

    Malignant neoplasm of unspecified part of unspecified bronchus or lung

  • C34.91—

    Malignant neoplasm of unspecified part of right bronchus or lung

  • C34.92—

    Malignant neoplasm of unspecified part of left bronchus or lung

  • C37—

    Malignant neoplasm of thymus

  • C38—

    Malignant neoplasm of heart, mediastinum and pleura

  • C38.0—

    Malignant neoplasm of heart

  • C38.1—

    Malignant neoplasm of anterior mediastinum

  • C38.2—

    Malignant neoplasm of posterior mediastinum

  • C38.3—

    Malignant neoplasm of mediastinum, part unspecified

  • C38.4—

    Malignant neoplasm of pleura

  • C38.8—

    Malignant neoplasm of overlapping sites of heart, mediastinum and pleura

  • C39—

    Malignant neoplasm of other and ill-defined sites in the respiratory system and intrathoracic organs

  • C39.0—

    Malignant neoplasm of upper respiratory tract, part unspecified

  • C39.9—

    Malignant neoplasm of lower respiratory tract, part unspecified

  • C40—

    Malignant neoplasm of bone and articular cartilage of limbs

  • C40.0—

    Malignant neoplasm of scapula and long bones of upper limb

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