1. D31 Benign neoplasm of eye and adnexa

    Excludes1

    • benign neoplasm of connective tissue of eyelid (D21.0)
    • benign neoplasm of optic nerve (D33.3)
    • benign neoplasm of skin of eyelid (D22.1-, D23.1-)
    1. D31.0 Benign neoplasm of conjunctiva

      1. D31.00 Benign neoplasm of unspecified conjunctiva

      2. D31.01 Benign neoplasm of right conjunctiva

      3. D31.02 Benign neoplasm of left conjunctiva

    2. D31.1 Benign neoplasm of cornea

      1. D31.10 Benign neoplasm of unspecified cornea

      2. D31.11 Benign neoplasm of right cornea

      3. D31.12 Benign neoplasm of left cornea

    3. D31.2 Benign neoplasm of retina

      1. D31.20 Benign neoplasm of unspecified retina

      2. D31.21 Benign neoplasm of right retina

      3. D31.22 Benign neoplasm of left retina

    4. D31.3 Benign neoplasm of choroid

      1. D31.30 Benign neoplasm of unspecified choroid

      2. D31.31 Benign neoplasm of right choroid

      3. D31.32 Benign neoplasm of left choroid

    5. D31.4 Benign neoplasm of ciliary body

      1. D31.40 Benign neoplasm of unspecified ciliary body

      2. D31.41 Benign neoplasm of right ciliary body

      3. D31.42 Benign neoplasm of left ciliary body

    6. D31.5 Benign neoplasm of lacrimal gland and duct

      Inclusion term(s):

      • Benign neoplasm of lacrimal sac
      • Benign neoplasm of nasolacrimal duct
      1. D31.50 Benign neoplasm of unspecified lacrimal gland and duct

      2. D31.51 Benign neoplasm of right lacrimal gland and duct

      3. D31.52 Benign neoplasm of left lacrimal gland and duct

    7. D31.6 Benign neoplasm of unspecified site of orbit

      Inclusion term(s):

      • Benign neoplasm of connective tissue of orbit
      • Benign neoplasm of extraocular muscle
      • Benign neoplasm of peripheral nerves of orbit
      • Benign neoplasm of retrobulbar tissue
      • Benign neoplasm of retro-ocular tissue
      1. D31.60 Benign neoplasm of unspecified site of unspecified orbit

      2. D31.61 Benign neoplasm of unspecified site of right orbit

      3. D31.62 Benign neoplasm of unspecified site of left orbit

    8. D31.9 Benign neoplasm of unspecified part of eye

      Inclusion term(s):

      • Benign neoplasm of eyeball
      1. D31.90 Benign neoplasm of unspecified part of unspecified eye

      2. D31.91 Benign neoplasm of unspecified part of right eye

      3. D31.92 Benign neoplasm of unspecified part of left eye

Abbreviations used here:

NEC Not elsewhere classifiable
This abbreviation in the Tabular List represents “other specified”. When a specific code is not available for a condition, the Tabular List includes an NEC entry under a code to identify the code as the “other specified” code.

NOS Not otherwise specified
This abbreviation is the equivalent of unspecified.