D31
Non-Billable

Benign neoplasm of eye and adnexa

Non-Billable / Non-Specific Code

What is Benign neoplasm of eye and adnexa?

ICD-10-CM D31 is the diagnosis code for Benign neoplasm of eye and adnexa. This code falls under the section "Benign neoplasms, except benign neuroendocrine tumors" within Chapter 2 — Neoplasms (C00-D49). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

⛔ Excludes1

Coding Guidelines for D31

⛔ Type 1 Excludes (Never code together)

The following conditions should never be coded at the same time as D31. They are mutually exclusive:

  • 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-)

ICD-10-CM Code Hierarchy

Understanding where D31 sits in the ICD-10-CM classification helps ensure proper coding:

Sub-Codes 8 entries
D31.0Benign neoplasm of conjunctivaNon-BillableD31.00Benign neoplasm of unspecified conjunctivaBillableD31.01Benign neoplasm of right conjunctivaBillableD31.02Benign neoplasm of left conjunctivaBillableD31.1Benign neoplasm of corneaNon-BillableD31.10Benign neoplasm of unspecified corneaBillableD31.11Benign neoplasm of right corneaBillableD31.12Benign neoplasm of left corneaBillableD31.2Benign neoplasm of retinaNon-BillableD31.20Benign neoplasm of unspecified retinaBillableD31.21Benign neoplasm of right retinaBillableD31.22Benign neoplasm of left retinaBillableD31.3Benign neoplasm of choroidNon-BillableD31.30Benign neoplasm of unspecified choroidBillableD31.31Benign neoplasm of right choroidBillableD31.32Benign neoplasm of left choroidBillableD31.4Benign neoplasm of ciliary bodyNon-BillableD31.40Benign neoplasm of unspecified ciliary bodyBillableD31.41Benign neoplasm of right ciliary bodyBillableD31.42Benign neoplasm of left ciliary bodyBillableD31.5Benign neoplasm of lacrimal gland and ductNon-BillableD31.50Benign neoplasm of unspecified lacrimal gland and ductBillableD31.51Benign neoplasm of right lacrimal gland and ductBillableD31.52Benign neoplasm of left lacrimal gland and ductBillableD31.6Benign neoplasm of unspecified site of orbitNon-BillableD31.60Benign neoplasm of unspecified site of unspecified orbitBillableD31.61Benign neoplasm of unspecified site of right orbitBillableD31.62Benign neoplasm of unspecified site of left orbitBillableD31.9Benign neoplasm of unspecified part of eyeNon-BillableD31.90Benign neoplasm of unspecified part of unspecified eyeBillableD31.91Benign neoplasm of unspecified part of right eyeBillableD31.92Benign neoplasm of unspecified part of left eyeBillable
Related Codes

Frequently Asked Questions

Is D31 a billable ICD-10-CM code?

No, D31 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does D31 mean?

D31 is the ICD-10-CM diagnosis code for "Benign neoplasm of eye and adnexa". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What section is D31 in?

D31 is located in Section D10-D36 — "Benign neoplasms, except benign neuroendocrine tumors" within Chapter 2 of the ICD-10-CM Tabular List.

What are the sub-codes of D31?

D31 has 8 sub-code(s) that provide more specific detail: D31.0, D31.1, D31.2, D31.3, D31.4 and more.

When should I use D31?

Use D31 when the patients documented diagnosis matches "Benign neoplasm of eye and adnexa" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Benign neoplasm of eye and adnexa?

The ICD-10-CM code for Benign neoplasm of eye and adnexa is D31.

Can D31 be used for primary diagnosis?

No, D31 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is D31 in?

D31 is in Chapter 2 of the ICD-10-CM Tabular List.

What conditions are excluded from D31?

Type 1 Excludes for D31 include: 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-).

Is D31 valid for 2026?

Yes, D31 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousD30.9Benign neoplasm of urinary organ, unspecifiedNext →D31.0Benign neoplasm of conjunctiva
Code Details
D31
Benign neoplasm of eye and adnexa
Non-Billable / Non-Specific Code
2 — Neoplasms (C00-D49)
D10-D36 — Benign neoplasms, except benign neuroendocrine tumors
2026 ICD-10-CM