DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

D31 Benign neoplasm of eye and adnexa

  • Header · not billable

D31 is not billable. The category heads 24 billable codes in FY2027, grouped under 8 subdivisions.

Index → code

Where it sits

  1. Chapter 2 Neoplasms (C00-D49)
  2. D10-D36 Benign neoplasms, except benign neuroendocrine tumors (D10-D36)
  3. D31 Benign neoplasm of eye and adnexa
Billable codes
24
Subdivisions
8
CC / MCC codes
0 / 0
HCC V28 codes
0
New FY2027
0
Index entries
10

Codes in D31

  1. D31.0
    Benign neoplasm of conjunctiva
    Header
  2. D31.00
    Benign neoplasm of unspecified conjunctiva
    Billable
  3. D31.01
    Benign neoplasm of right conjunctiva
    Billable
  4. D31.02
    Benign neoplasm of left conjunctiva
    Billable
  5. D31.1
    Benign neoplasm of cornea
    Header
  6. D31.10
    Benign neoplasm of unspecified cornea
    Billable
  7. D31.11
    Benign neoplasm of right cornea
    Billable
  8. D31.12
    Benign neoplasm of left cornea
    Billable
  9. D31.2
    Benign neoplasm of retina
    Header
    Excludes1 4

    Excludes1

    • dark area on retina (D49.81) D49.81
    • hemangioma of retina (D49.81) D49.81
    • neoplasm of unspecified behavior of retina and choroid (D49.81) D49.81
    • retinal freckle (D49.81) D49.81
  10. D31.20
    Benign neoplasm of unspecified retina
    Billable
  11. D31.21
    Benign neoplasm of right retina
    Billable
  12. D31.22
    Benign neoplasm of left retina
    Billable
  13. D31.3
    Benign neoplasm of choroid
    Header
  14. D31.30
    Benign neoplasm of unspecified choroid
    Billable
  15. D31.31
    Benign neoplasm of right choroid
    Billable
  16. D31.32
    Benign neoplasm of left choroid
    Billable
  17. D31.4
    Benign neoplasm of ciliary body
    Header
  18. D31.40
    Benign neoplasm of unspecified ciliary body
    Billable
  19. D31.41
    Benign neoplasm of right ciliary body
    Billable
  20. D31.42
    Benign neoplasm of left ciliary body
    Billable
  21. D31.5
    Benign neoplasm of lacrimal gland and duct
    Header
    Inclusion terms 2

    Inclusion terms

    • Benign neoplasm of lacrimal sac
    • Benign neoplasm of nasolacrimal duct
  22. D31.50
    Benign neoplasm of unspecified lacrimal gland and duct
    Billable
  23. D31.51
    Benign neoplasm of right lacrimal gland and duct
    Billable
  24. D31.52
    Benign neoplasm of left lacrimal gland and duct
    Billable
  25. D31.6
    Benign neoplasm of unspecified site of orbit
    Header
    Inclusion terms 5, Excludes1 1

    Inclusion terms

    • 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

    Excludes1

    • benign neoplasm of orbital bone (D16.4) D16.4
  26. D31.60
    Benign neoplasm of unspecified site of unspecified orbit
    Billable
  27. D31.61
    Benign neoplasm of unspecified site of right orbit
    Billable
  28. D31.62
    Benign neoplasm of unspecified site of left orbit
    Billable
  29. D31.9
    Benign neoplasm of unspecified part of eye
    Header
    Inclusion terms 1

    Inclusion terms

    • Benign neoplasm of eyeball
  30. D31.90
    Benign neoplasm of unspecified part of unspecified eye
    Billable
  31. D31.91
    Benign neoplasm of unspecified part of right eye
    Billable
  32. D31.92
    Benign neoplasm of unspecified part of left eye
    Billable

Sources of each column.

Instructions

At D31

Excludes1

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

Notes that also apply

Chapter 2 instructions (Notes 8): printed on the chapter 2 page.

Index entries

NCHS Alphabetic Index. Index first, then the Tabular List.

Hierarchy