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Inpatient Procedure Code

07170ZL ICD-10-PCS Code: Bypass Thorax Lymphatic to Cisterna Chyli, Open 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 System7

Lymphatic and Hemic Systems

3
Root Operation1

Bypass

Altering the route of passage of the contents of a tubular body part

4
Body Part7

Lymphatic, Thorax

5
Approach0

Open

6
DeviceZ

No Device

7
QualifierL

Cisterna Chyli

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.

07130ZL — Bypass Right Upper Extremity Lymphatic to Cisterna Chyli, Open Approach, 07140ZL — Bypass Left Upper Extremity Lymphatic to Cisterna Chyli, Open Approach, 07150ZL — Bypass Right Axillary Lymphatic to Cisterna Chyli, Open Approach, 07160ZL — Bypass Left Axillary Lymphatic to Cisterna Chyli, Open Approach, 07180ZL — Bypass Right Internal Mammary Lymphatic to Cisterna Chyli, Open Approach, 07190ZL — Bypass Left Internal Mammary Lymphatic to Cisterna Chyli, Open Approach, 071B0ZL — Bypass Mesenteric Lymphatic to Cisterna Chyli, Open Approach, 071C0ZL — Bypass Pelvis Lymphatic to Cisterna Chyli, Open Approach, +10 more

Same operation — other Approach

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

07174ZL — Bypass Thorax Lymphatic to Cisterna Chyli, Percutaneous Endoscopic Approach

Same operation — other Qualifier

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

07170Z3 — Bypass Thorax Lymphatic to Peripheral Vein, Open Approach, 07170Z4 — Bypass Thorax Lymphatic to Central Vein, Open Approach, 07170Z7 — Bypass Thorax Lymphatic to Lymphatic, Open Approach, 07170ZK — Bypass Thorax Lymphatic to Thoracic Duct, Open 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.

+1007 more

Contextual Map

Every relationship of 07170ZL 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 07170ZL 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

Change history

  • FY2025 — October 1, 2024
    Added to the code set
    Bypass Thorax Lymphatic to Cisterna Chyli, Open Approach
    FY2025 changes

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