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ICD 10 Code 05N10ZZ

Release Hemiazygos Vein, Open Approach

05N10ZZ is a valid billable ICD-10 procedure code for Release Hemiazygos Vein, Open Approach. It is found in the 2025 version of the ICD-10 Procedure Coding System (PCS) and can be used in all HIPAA-covered transactions from Oct 01, 2024 - Sep 30, 2025.

Release involves:
Freeing a body part from an abnormal physical constraint by cutting or by the use of force. Some of the restraining tissue may be taken out but none of the body part is taken out

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

Release includes:

  • Adhesiolysis, carpal tunnel release

Hemiazygos Vein body part includes:

  • Left ascending lumbar vein
  • Left subcostal vein
MS-DRG - Medicare Severity-Diagnosis Related Group
  • MDC 05 Diseases & Disorders of the Circulatory System
    Other Vascular Procedures
    • DRG 252 - OTHER VASCULAR PROCEDURES WITH MCC
    • DRG 253 - OTHER VASCULAR PROCEDURES WITH CC
    • DRG 254 - OTHER VASCULAR PROCEDURES WITHOUT CC/MCC

ICD-10-PCS code structure for 05N10ZZ — See Table View

1: Section 0 Medical and Surgical
2: Body System 5 Upper Veins
3: Root Operation N Release
4: Body Part 1 Hemiazygos Vein
5: Approach 0 Open
6: Device Z No Device
7: Qualifier Z No Qualifier

See also

  • The ICD-10-PCS Index of common procedure terms.
  • Medical and Surgical terms in the ICD-10-PCS Definitions table. These definitions may also provide additional explanation and/or examples within this section.
  • The ICD-10-PCS Device Aggregation Table containing entries that correlate a specific ICD-10-PCS device value with a general device value to be used in tables containing only general device values.