D27.9 – Benign neoplasm of unspecified ovary

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

Billable code

ICD-10-CM code D27.9

Code: D27.9 (claims format: D279)
Description: Benign neoplasm of unspecified ovary
Billable: Yes – valid for HIPAA-covered transactions
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: D27

Notes inherited from parent codes

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

D27 – Benign neoplasm of ovary

Excludes2 (not included here):

corpus albicans cyst (N83.2-)
corpus luteum cyst (N83.1-)
endometrial cyst (N80.1-)
follicular (atretic) cyst (N83.0-)
graafian follicle cyst (N83.0-)
ovarian cyst NEC (N83.2-)
ovarian retention cyst (N83.2-)

Use additional code:

code to identify any functional activity.

Index terms for D27.9

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

Related codes in D27

D27.0 – Benign neoplasm of right ovaryBillable
D27.1 – Benign neoplasm of left ovaryBillable

Frequently asked questions

What is ICD-10 code D27.9?

D27.9 is the ICD-10-CM code for benign neoplasm of unspecified ovary, in the block D10-D36 (Benign neoplasms, except benign neuroendocrine tumors).

Is D27.9 a billable code?

Yes. D27.9 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does D27.9 belong to?

It belongs to category D27 – Benign neoplasm of ovary.

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.