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Inpatient Procedure Code

07N00ZZ ICD-10-PCS Code: Release Head Lymphatic, Open Approach

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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 System7

Lymphatic and Hemic Systems

3
Root OperationN

Release

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

4
Body Part0

Lymphatic, Head

5
Approach0

Open

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 12 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.

07N10ZZ — Release Right Neck Lymphatic, Open Approach, 07N20ZZ — Release Left Neck Lymphatic, Open Approach, 07N30ZZ — Release Right Upper Extremity Lymphatic, Open Approach, 07N40ZZ — Release Left Upper Extremity Lymphatic, Open Approach, 07N50ZZ — Release Right Axillary Lymphatic, Open Approach, 07N60ZZ — Release Left Axillary Lymphatic, Open Approach, 07N70ZZ — Release Thorax Lymphatic, Open Approach, 07N80ZZ — Release Right Internal Mammary Lymphatic, Open Approach, +12 more

Same operation — other Approach

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

07N03ZZ — Release Head Lymphatic, Percutaneous Approach, 07N04ZZ — Release Head Lymphatic, Percutaneous Endoscopic Approach

Same procedure category (CCSR), other tables

AHRQ's Clinical Classifications Software Refined groups these ICD-10-PCS procedures with this one under Lymphatic procedures, NEC (Lymphatic and Hemic 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.

+1140 more

Contextual Map

Every relationship of 07N00ZZ 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 07N00ZZ with these 5 related codes in Claim Check

PCS table

MS-DRG participation (12)

Clinical classification (CCSR)

  • LYM011 — Lymphatic procedures, NEC[CCSR category]: “Lymphatic procedures, NEC — Lymphatic and Hemic System Procedures”— AHRQ CCSR for ICD-10-PCS Procedures (HCUP) · v2026.1

MDC crossing · diagnoses (1040)

  • MDC 16 — Diseases and Disorders of Blood, Blood Forming Organs and Immunologic Disorders[MDC crossing]: “Diseases and Disorders of Blood, Blood Forming Organs and Immunologic Disorders — the grouper's crossing between diagnoses and procedures: a principal diagnosis sets the MDC, and same-MDC procedures move the stay to its surgical DRGs.”— CMS MS-DRG Definitions Manual · FY2027
  • MDC 17 — Myeloproliferative Diseases and Disorders, Poorly Differentiated Neoplasms[MDC crossing]: “Myeloproliferative Diseases and Disorders, Poorly Differentiated Neoplasms — the grouper's crossing between diagnoses and procedures: a principal diagnosis sets the MDC, and same-MDC procedures move the stay to its surgical DRGs.”— CMS MS-DRG Definitions Manual · FY2027
  • A18.2 — Tuberculous peripheral lymphadenopathy[Same-MDC diagnosis]: “Tuberculous peripheral lymphadenopathy — grouped in MDC 16, the diagnosis side of this code's crossing.”— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
  • A18.85 — Tuberculosis of spleen[Same-MDC diagnosis]: “Tuberculosis of spleen — grouped in MDC 16, the diagnosis side of this code's crossing.”— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
  • A28.1 — Cat-scratch disease[Same-MDC diagnosis]: “Cat-scratch disease — grouped in MDC 16, the diagnosis side of this code's crossing.”— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
  • D15.0 — Benign neoplasm of thymus[Same-MDC diagnosis]: “Benign neoplasm of thymus — grouped in MDC 16, the diagnosis side of this code's crossing.”— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
  • D18.1 — Lymphangioma, any site[Same-MDC diagnosis]: “Lymphangioma, any site — grouped in MDC 16, the diagnosis side of this code's crossing.”— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
  • and 1035 more

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