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Inpatient Procedure Code

07BM4ZZ ICD-10-PCS Code: Excision of Thymus, Percutaneous Endoscopic 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 OperationB

Excision

Cutting out or off, without replacement, a portion of a body part

4
Body PartM

Thymus

5
Approach4

Percutaneous Endoscopic

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 24 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.

07BD4ZZ — Excision of Aortic Lymphatic, Percutaneous Endoscopic Approach, 07BF4ZZ — Excision of Right Lower Extremity Lymphatic, Percutaneous Endoscopic Approach, 07BG4ZZ — Excision of Left Lower Extremity Lymphatic, Percutaneous Endoscopic Approach, 07BH4ZZ — Excision of Right Inguinal Lymphatic, Percutaneous Endoscopic Approach, 07BJ4ZZ — Excision of Left Inguinal Lymphatic, Percutaneous Endoscopic Approach, 07BK4ZZ — Excision of Thoracic Duct, Percutaneous Endoscopic Approach, 07BL4ZZ — Excision of Cisterna Chyli, Percutaneous Endoscopic Approach, 07BP4ZZ — Excision of Spleen, Percutaneous Endoscopic Approach, +12 more

Same operation — other Approach

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

07BM0ZZ — Excision of Thymus, Open Approach, 07BM3ZZ — Excision of Thymus, Percutaneous Approach

Same operation — other Qualifier

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

07BM4ZX — Excision of Thymus, Percutaneous Endoscopic Approach, Diagnostic

Same procedure category (CCSR), other tables

AHRQ's Clinical Classifications Software Refined groups these ICD-10-PCS procedures with this one under Thymectomy (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.

075M4ZZ — Destruction of Thymus, Percutaneous Endoscopic Approach, 079M00Z — Drainage of Thymus with Drainage Device, Open Approach, 079M0ZX — Drainage of Thymus, Open Approach, Diagnostic, 079M0ZZ — Drainage of Thymus, Open Approach, 079M30Z — Drainage of Thymus with Drainage Device, Percutaneous Approach, 079M3ZX — Drainage of Thymus, Percutaneous Approach, Diagnostic, 079M3ZZ — Drainage of Thymus, Percutaneous Approach, 079M40Z — Drainage of Thymus with Drainage Device, Percutaneous Endoscopic Approach, 079M4ZX — Drainage of Thymus, Percutaneous Endoscopic Approach, Diagnostic, 079M4ZZ — Drainage of Thymus, Percutaneous Endoscopic Approach, 07CM0ZZ — Extirpation of Matter from Thymus, Open Approach, 07CM3ZZ — Extirpation of Matter from Thymus, Percutaneous Approach, 07CM4ZZ — Extirpation of Matter from Thymus, Percutaneous Endoscopic Approach, 07DM3ZX — Extraction of Thymus, Percutaneous Approach, Diagnostic, 07DM4ZX — Extraction of Thymus, Percutaneous Endoscopic Approach, Diagnostic, 07HM03Z — Insertion of Infusion Device into Thymus, Open Approach, 07HM0YZ — Insertion of Other Device into Thymus, Open Approach, 07HM33Z — Insertion of Infusion Device into Thymus, Percutaneous Approach, 07HM3YZ — Insertion of Other Device into Thymus, Percutaneous Approach, 07HM43Z — Insertion of Infusion Device into Thymus, Percutaneous Endoscopic Approach, +39 more

Contextual Map

Every relationship of 07BM4ZZ 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 07BM4ZZ with these 5 related codes in Claim Check

PCS table

MS-DRG participation (24)

Clinical classification (CCSR)

  • LYM004 — Thymectomy[CCSR category]: “Thymectomy — Lymphatic and Hemic System Procedures”— AHRQ CCSR for ICD-10-PCS Procedures (HCUP) · v2026.1

MDC crossing · diagnoses (3952)

  • MDC 01 — Diseases and Disorders of the Nervous System[MDC crossing]: “Diseases and Disorders of the Nervous System — 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 04 — Diseases and Disorders of the Respiratory System[MDC crossing]: “Diseases and Disorders of the Respiratory System — 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
  • A02.21 — Salmonella meningitis[Same-MDC diagnosis]: “Salmonella meningitis — grouped in MDC 01, the diagnosis side of this code's crossing.”— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
  • A06.6 — Amebic brain abscess[Same-MDC diagnosis]: “Amebic brain abscess — grouped in MDC 01, the diagnosis side of this code's crossing.”— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
  • A17.0 — Tuberculous meningitis[Same-MDC diagnosis]: “Tuberculous meningitis — grouped in MDC 01, the diagnosis side of this code's crossing.”— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
  • A17.1 — Meningeal tuberculoma[Same-MDC diagnosis]: “Meningeal tuberculoma — grouped in MDC 01, the diagnosis side of this code's crossing.”— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
  • A17.81 — Tuberculoma of brain and spinal cord[Same-MDC diagnosis]: “Tuberculoma of brain and spinal cord — grouped in MDC 01, the diagnosis side of this code's crossing.”— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
  • and 3947 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