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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