ICD-10/N83.20

N83.20 ICD 2026 Code: Unspecified ovarian cysts

N83.20 is the authoritative medical code for Unspecified ovarian cysts. This classification is used in medical billing and clinical recording to specify the clinical criteria for unspecified ovarian cysts (ICD-10-CM N83.20), ensuring healthcare documentation aligns with 2026 federal coding standards.

Billing Status: NO. This is a clinician non-billable / parent hierarchy grouping in the ICD-10-CM system.

Official Registry Overview & Definition

Unspecified ovarian cysts is a non-billable ICD-10-CM category code N83.20. A more specific billable subcode must be selected for claims submission. Excludes1 (not coded here): developmental ovarian cyst Q50.1; neoplastic ovarian cyst D27.-; polycystic ovarian syndrome E28.2; Stein-Leventhal syndrome E28.2. Excludes2 (not included here): hydrosalpinx N70.1-.

Official Tabular Instructional Notes

Sequencing, inclusion, and exclusion notes published for N83.20 in the official ICD-10-CM tabular list.

Excludes1 — Not Coded Here

Conditions that can never be reported with this code; the two are mutually exclusive.

  • developmental ovarian cyst Q50.1
  • neoplastic ovarian cyst D27.-
  • polycystic ovarian syndrome E28.2
  • Stein-Leventhal syndrome E28.2

Excludes2 — Not Included Here

Conditions not covered by this code, but which may be reported alongside it when both are present.

  • hydrosalpinx N70.1-

Frequently Asked Questions (FAQ) & Clinical Guidance

Can N83.20 be billed directly?

No. N83.20 (Unspecified ovarian cysts) is a non-billable ICD-10-CM category code. A more specific billable subcode must be selected based on clinical documentation.

What can't be coded together with N83.20?

Per official ICD-10-CM Excludes1 instructions, N83.20 must not be reported together with: developmental ovarian cyst (Q50.1); neoplastic ovarian cyst (D27.-); polycystic ovarian syndrome (E28.2); Stein-Leventhal syndrome (E28.2).

Can N83.20 be reported alongside related conditions?

Per official ICD-10-CM Excludes2 instructions, N83.20 and the following are not considered part of each other and may both be reported when both conditions are present: hydrosalpinx (N70.1-).

Nearest Codes in This Family

Official ICD-10-CM classifications closest to N83.20 in its code family, with their registry titles.

  • N83.201 — Unspecified ovarian cyst, right side
  • N83.202 — Unspecified ovarian cyst, left side
  • N83.209 — Unspecified ovarian cyst, unspecified side