Chapter 2

C00–D49: Neoplasms

Neoplasms diagnostic classification updated for 2026.

Internal Codes
  • C69.01|

    Malignant neoplasm of right conjunctiva

  • C69.02|

    Malignant neoplasm of left conjunctiva

  • C69.1|

    Malignant neoplasm of cornea

  • C69.10|

    Malignant neoplasm of unspecified cornea

  • C69.11|

    Malignant neoplasm of right cornea

  • C69.12|

    Malignant neoplasm of left cornea

  • C69.2|

    Malignant neoplasm of retina

  • C69.20|

    Malignant neoplasm of unspecified retina

  • C69.21|

    Malignant neoplasm of right retina

  • C69.22|

    Malignant neoplasm of left retina

  • C69.3|

    Malignant neoplasm of choroid

  • C69.30|

    Malignant neoplasm of unspecified choroid

  • C69.31|

    Malignant neoplasm of right choroid

  • C69.32|

    Malignant neoplasm of left choroid

  • C69.4|

    Malignant neoplasm of ciliary body

  • C69.40|

    Malignant neoplasm of unspecified ciliary body

  • C69.41|

    Malignant neoplasm of right ciliary body

  • C69.42|

    Malignant neoplasm of left ciliary body

  • C69.5|

    Malignant neoplasm of lacrimal gland and duct

  • C69.50|

    Malignant neoplasm of unspecified lacrimal gland and duct

  • C69.51|

    Malignant neoplasm of right lacrimal gland and duct

  • C69.52|

    Malignant neoplasm of left lacrimal gland and duct

  • C69.6|

    Malignant neoplasm of orbit

  • C69.60|

    Malignant neoplasm of unspecified orbit

  • C69.61|

    Malignant neoplasm of right orbit

  • C69.62|

    Malignant neoplasm of left orbit

  • C69.8|

    Malignant neoplasm of overlapping sites of eye and adnexa

  • C69.80|

    Malignant neoplasm of overlapping sites of unspecified eye and adnexa

  • C69.81|

    Malignant neoplasm of overlapping sites of right eye and adnexa

  • C69.82|

    Malignant neoplasm of overlapping sites of left eye and adnexa

  • C69.9|

    Malignant neoplasm of unspecified site of eye

  • C69.90|

    Malignant neoplasm of unspecified site of unspecified eye

  • C69.91|

    Malignant neoplasm of unspecified site of right eye

  • C69.92|

    Malignant neoplasm of unspecified site of left eye

  • C70|

    Malignant neoplasm of meninges

  • C70.0|

    Malignant neoplasm of cerebral meninges

  • C70.1|

    Malignant neoplasm of spinal meninges

  • C70.9|

    Malignant neoplasm of meninges, unspecified

  • C71|

    Malignant neoplasm of brain

  • C71.0|

    Malignant neoplasm of cerebrum, except lobes and ventricles

  • C71.1|

    Malignant neoplasm of frontal lobe

  • C71.2|

    Malignant neoplasm of temporal lobe

  • C71.3|

    Malignant neoplasm of parietal lobe

  • C71.4|

    Malignant neoplasm of occipital lobe

  • C71.5|

    Malignant neoplasm of cerebral ventricle

  • C71.6|

    Malignant neoplasm of cerebellum

  • C71.7|

    Malignant neoplasm of brain stem

  • C71.8|

    Malignant neoplasm of overlapping sites of brain

  • C71.9|

    Malignant neoplasm of brain, unspecified

  • C72|

    Malignant neoplasm of spinal cord, cranial nerves and other parts of central nervous system

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