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Inpatient Procedure Code

0UNKXZZ ICD-10-PCS Code: Release Hymen, External Approach

Check this code on a claim

Axis Breakdown

Every ICD-10-PCS code is exactly seven characters, one per axis. Each character's meaning is defined by its position in the code.

PositionValueMeaning
1
Section0

Medical and Surgical

2
Body SystemU

Female Reproductive System

3
Root OperationN

Release

Freeing a body part from an abnormal physical constraint by cutting or by the use of force

4
Body PartK

Hymen

5
ApproachX

External

6
DeviceZ

No Device

7
QualifierZ

No Qualifier

MS-DRG Grouper Relationships (FY2027)

Potential MS-DRG participation — not a DRG assignment.

The MS-DRG grouper treats this as an operating room procedure. It appears in the surgical logic of 2 MS-DRGs:

From the CMS MS-DRG Definitions Manual, Appendix E. Actual DRG assignment depends on the complete claim.

Related Codes

Same operation — other Body Part

Same table and root operation, differing only in the body part character.

0UNGXZZ — Release Vagina, External Approach, 0UNJXZZ — Release Clitoris, External Approach, 0UNLXZZ — Release Vestibular Gland, External Approach, 0UNMXZZ — Release Vulva, External Approach

Same operation — other Approach

Same table and root operation, differing only in the approach character.

0UNK0ZZ — Release Hymen, Open Approach, 0UNK3ZZ — Release Hymen, Percutaneous Approach, 0UNK4ZZ — Release Hymen, Percutaneous Endoscopic Approach, 0UNK7ZZ — Release Hymen, Via Natural or Artificial Opening, 0UNK8ZZ — Release Hymen, Via Natural or Artificial Opening Endoscopic

Same procedure category (CCSR), other tables

AHRQ's Clinical Classifications Software Refined groups these ICD-10-PCS procedures with this one under Female reproductive system procedures, NEC (Female Reproductive System Procedures); listed here are the members in other PCS tables. Source: Clinical Classifications Software Refined (CCSR), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, November 2025.

+1051 more

Contextual Map

Every relationship of 0UNKXZZ in one view: hierarchy, official tabular instructions in both directions, clinical classification, risk adjustment, MS-DRG participation, index terms and change history — each edge carrying the CMS source it derives from.

Run 0UNKXZZ with these 5 related codes in Claim Check

PCS table

MS-DRG participation

Clinical classification (CCSR)

MDC crossing · diagnoses (647)

Nearest codes

Change history

No changes recorded for this code. This ledger tracks additions, deletions and description changes from FY2016 onward. Note changes are not tracked.

Read from: CMS ICD-10-PCS code tables, index and definitions — FY2027; CMS MS-DRG Definitions Manual (incl. Appendix B diagnosis index, Appendix C CC/MCC list, Appendix E procedure index) and IPPS Final Rule tables — v44; AHRQ HCUP Clinical Classifications Software Refined for ICD-10-PCS Procedures (hcup-us.ahrq.gov/toolssoftware/ccsr/PRCCSR_v2026-1.zip) — v2026.1. All data sources · How to read the labels · How MedCoder verifies its implementation

Current data releases:ICD-10-CM FY2027 · ICD-10-PCS FY2027 · HCPCS October 2026 · MS-DRG v44 · Medicare Code Editor v44.0 · NCCI PTP Q4 2026 · MUE Q4 2026 · NCD code lists 2026-01 · LCD export September 28, 2026 · All releases and sources