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ICD-10-PCS 2027 procedure code

01U23KZSupplement Phrenic Nerve with Nonautologous Tissue Substitute, Percutaneous Approach

✓ Valid for 2027O.R. procedure

Short description: Supplement Phrenic Nerve with Nonaut Sub, Perc Approach

Code last changed in FY2018 (effective October 1, 2017). Source: official FY2027 ICD-10-PCS release from CMS. Page updated September 29, 2026. About our data

About 01U23KZ

01U23KZ is the ICD-10-PCS code for a supplement procedure on the phrenic nerve using a percutaneous approach with nonautologous tissue substitute. In ICD-10-PCS, supplement means putting in or on biological or synthetic material that physically reinforces and/or augments the function of a portion of a body part.

In plain terms, this corresponds to cranial or peripheral nerve graft, the ICD-9-CM procedure title it maps to (04.5).

For a different body part, codes include 01U13KZ (cervical nerve), 01U43KZ (ulnar nerve), 01U53KZ (median nerve), 01U63KZ (radial nerve), 01U83KZ (thoracic nerve), 01UB3KZ (lumbar nerve) and 6 more.

The same procedure with a different approach is coded 01U20KZ (open) and 01U24KZ (percutaneous endoscopic).

With a different device, use 01U237Z (autologous tissue substitute) and 01U23JZ (synthetic substitute).

It is an operating-room procedure in the MS-DRG logic for DRG 040 (Peripheral, Cranial Nerve and Other Nervous System Procedures with MCC), DRG 041 (Peripheral, Cranial Nerve and Other Nervous System Procedures with CC or Peripheral Neurostimulator), DRG 042 (Peripheral, Cranial Nerve and Other Nervous System Procedures without CC/MCC), DRG 515 (Other Musculoskeletal System and Connective Tissue O.R. Procedures with MCC), DRG 516 (Other Musculoskeletal System and Connective Tissue O.R. Procedures with CC) and DRG 517 (Other Musculoskeletal System and Connective Tissue O.R. Procedures without CC/MCC), under the surgical categories “Peripheral, Cranial Nerve and Other Nervous System Procedures”, “Other Musculoskeletal System and Connective Tissue O.R. Procedures”, “Other O.R. Procedures for Injuries” and 1 more.

It was added in FY2018, effective October 1, 2017.

What each character means

1. Section
0Medical and Surgical
2. Body System
1Peripheral Nervous System
3. Operation
USupplement

Putting in or on biological or synthetic material that physically reinforces and/or augments the function of a portion of a body part

The biological material is non-living, or is living and from the same individual. The body part may have been previously replaced, and the Supplement procedure is performed to physically reinforce and/or augment the function of the replaced body part

Includes: Herniorrhaphy using mesh, mitral valve ring annuloplasty, put a new acetabular liner in a previous hip replacement

4. Body Part
2Phrenic Nerve

Includes: Accessory phrenic nerve

5. Approach
3Percutaneous

Entry, by puncture or minor incision, of instrumentation through the skin or mucous membrane and any other body layers necessary to reach the site of the procedure

6. Device
KNonautologous Tissue Substitute

Includes: Acellular Hydrated Dermis; Bone bank bone graft; Cook Biodesign(R) Fistula Plug(s); Cook Biodesign(R) Hernia Graft(s); Cook Biodesign(R) Layered Graft(s); Cook Zenapro(tm) Layered Graft(s); Fish skin; Kerecis(R) (GraftGuide) (MariGen) (SurgiBind) (SurgiClose); MIRODERM(tm) Biologic Wound Matrix; Piscine skin; Tissue bank graft

7. Qualifier
ZNo Qualifier

Other versions of this procedure

MS-DRG v44.0 grouping

All DRGs →

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

ICD-9-CM equivalent

Converter →
  • 04.5Cranial or peripheral nerve graftapproximate

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
  • FY2018 (effective 10/1/2017): Added
  • No changes since FY2018.

Common questions about 01U23KZ

Is 01U23KZ a valid ICD-10-PCS code for 2027?

Yes. 01U23KZ is valid for inpatient procedures from October 1, 2026 through September 30, 2027.

Is 01U23KZ an O.R. procedure?

Yes. 01U23KZ is an O.R. procedure in MS-DRG v44.0.

What DRG does 01U23KZ group to?

Depending on the principal diagnosis, 01U23KZ can group to MS-DRG 040, MS-DRG 041, MS-DRG 042, MS-DRG 515, MS-DRG 516 and MS-DRG 517.

What is the ICD-9 procedure code for 01U23KZ?

The CMS GEMs map 01U23KZ to ICD-9-CM 04.5 (Cranial or peripheral nerve graft).