D31.9 – Benign neoplasm of unspecified part of eye

ICD-10-CM 2027 diagnosis code · Benign neoplasms, except benign neuroendocrine tumors

Non-billable header

ICD-10-CM code D31.9
Code
D31.9 (claims format: D319)
Description
Benign neoplasm of unspecified part of eye
Billable
No – use a more specific code below
Valid for
Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter
2. Neoplasms (C00-D49)
Block
D10-D36 Benign neoplasms, except benign neuroendocrine tumors
Parent codes
D31

Billable codes under D31.9

D31.9 is a header code and cannot be used on claims. Choose the most specific code:

Notes for D31.9

Applicable to:
  • Benign neoplasm of eyeball

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

D31 – Benign neoplasm of eye and adnexa

Excludes1 (not coded here):
  • 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-)

Index terms for D31.9

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in D31

Frequently asked questions

What is ICD-10 code D31.9?

D31.9 is the ICD-10-CM code for benign neoplasm of unspecified part of eye, in the block D10-D36 (Benign neoplasms, except benign neuroendocrine tumors).

Is D31.9 a billable code?

No. D31.9 is a header code with more specific child codes; report one of the billable codes listed above.

What category does D31.9 belong to?

It belongs to category D31 – Benign neoplasm of eye and adnexa.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.