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ICD-10-PCS 2027 procedure code

0U990ZZDrainage of Uterus, Open Approach

✓ Valid for 2027O.R. procedureFemale only

Code unchanged since ICD-10-PCS took effect on October 1, 2015. Source: official FY2027 ICD-10-PCS release from CMS. Page updated September 29, 2026. About our data

About 0U990ZZ

0U990ZZ is the ICD-10-PCS code for a drainage procedure on the uterus using an open approach. In ICD-10-PCS, drainage means taking or letting out fluids and/or gases from a body part.

In plain terms, this corresponds to Hysterotomy, the ICD-9-CM procedure title it maps to (68.0).

For a different body part, codes include 0U900ZZ (right ovary), 0U910ZZ (left ovary), 0U920ZZ (bilateral ovaries), 0U940ZZ (uterine supporting structure), 0U950ZZ (right fallopian tube), 0U960ZZ (left fallopian tube) and 8 more.

The same procedure with a different approach is coded 0U993ZZ (percutaneous), 0U994ZZ (percutaneous endoscopic), 0U997ZZ (via natural or artificial opening) and 0U998ZZ (via natural or artificial opening endoscopic).

With a different device, use 0U9900Z (drainage device).

It is an operating-room procedure in the MS-DRG logic for DRG 731 (Uterine and Adnexa Procedures for Malignancy with MCC), DRG 732 (Uterine and Adnexa Procedures for Malignancy with CC), DRG 733 (Uterine and Adnexa Procedures for Malignancy without CC/MCC), DRG 742 (Uterine and Adnexa Procedures for Non-Malignancy with CC/MCC), DRG 743 (Uterine and Adnexa Procedures for Non-Malignancy without CC/MCC) and DRG 907 (Other O.R. Procedures for Injuries with MCC), under the surgical categories “Uterine and Adnexa Procedures for Malignancy”, “Uterine and Adnexa Procedures for Non-Malignancy”, “Other O.R. Procedures for Injuries” and 1 more.

It has been valid since ICD-10-PCS took effect on October 1, 2015.

What each character means

1. Section
0Medical and Surgical
2. Body System
UFemale Reproductive System
3. Operation
9Drainage

Taking or letting out fluids and/or gases from a body part

The qualifier DIAGNOSTIC is used to identify drainage procedures that are biopsies

Includes: Thoracentesis, incision and drainage

4. Body Part
9Uterus

Includes: Fundus uteri; Myometrium; Perimetrium; Uterine cornu

5. Approach
0Open

Cutting through the skin or mucous membrane and any other body layers necessary to expose the site of the procedure

6. Device
ZNo Device
7. Qualifier
ZNo Qualifier

Other versions of this procedure

Different device

Different qualifier

MS-DRG v44.0 grouping

All DRGs →

Surgical MS-DRGs this procedure can group to, depending on the principal diagnosis's MDC.

MDC 13 · Diseases and Disorders of the Female Reproductive System · Uterine and Adnexa Procedures for Non-Malignancy

ICD-9-CM equivalent

Converter →
  • 68.0Hysterotomyapproximate

From the CMS 2018 General Equivalence Mappings (GEMs), the final GEMs release.

Code history

  1. 2016
  2. 2017
  3. 2018
  4. 2019
  5. 2020
  6. 2021
  7. 2022
  8. 2023
  9. 2024
  10. 2025
  11. 2026
  12. 2027
  • FY2016 (effective 10/1/2015): Added (first year of ICD-10-CM)
  • No changes since FY2016.

Common questions about 0U990ZZ

Is 0U990ZZ a valid ICD-10-PCS code for 2027?

Yes. 0U990ZZ is valid for inpatient procedures from October 1, 2026 through September 30, 2027.

Is 0U990ZZ an O.R. procedure?

Yes. 0U990ZZ is an O.R. procedure in MS-DRG v44.0.

What DRG does 0U990ZZ group to?

Depending on the principal diagnosis, 0U990ZZ can group to MS-DRG 731, MS-DRG 732, MS-DRG 733, MS-DRG 742, MS-DRG 743 and MS-DRG 907.

What is the ICD-9 procedure code for 0U990ZZ?

The CMS GEMs map 0U990ZZ to ICD-9-CM 68.0 (Hysterotomy).