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Inpatient Procedure Code

00T70ZZ ICD-10-PCS Code: Resection of Cerebral Hemisphere, Open Approach

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 System0

Central Nervous System and Cranial Nerves

3
Root OperationT

Resection

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

4
Body Part7

Cerebral Hemisphere

5
Approach0

Open

6
DeviceZ

No Device

7
QualifierZ

No Qualifier

MS-DRG Grouper Relationships (FY2026)

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 15 MS-DRGs:

  • MDC 01 — Craniotomy with Major Device Implant or Acute Complex CNS Principal Diagnosis: DRG 023, DRG 024
  • MDC 01 — Craniotomy and endovascular intracranial procedures: DRG 025, DRG 026, DRG 027
  • MDC 17 — Lymphoma and Leukemia with Major O.R. Procedures: DRG 820, DRG 821, DRG 822
  • MDC 17 — Myeloproliferative Disorders or Poorly Differentiated Neoplasms with Major O.R. Procedures: DRG 826, DRG 827, DRG 828
  • MDC 21 — Other O.R. Procedures for Injuries: DRG 907, DRG 908, DRG 909
  • MDC 24 — Craniotomy for Multiple Significant Trauma: DRG 955

From the CMS MS-DRG Definitions Manual, Appendix E. Actual DRG assignment depends on the complete claim.

Related Codes

Same operation — other Approach

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

00T73ZZ — Resection of Cerebral Hemisphere, Percutaneous Approach, 00T74ZZ — Resection of Cerebral Hemisphere, 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 CNS excision procedures (Central Nervous 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.

00DM4ZZ — Extraction of Facial Nerve, Percutaneous Endoscopic Approach, 00DN0ZZ — Extraction of Acoustic Nerve, Open Approach, 00DN3ZZ — Extraction of Acoustic Nerve, Percutaneous Approach, 00DN4ZZ — Extraction of Acoustic Nerve, Percutaneous Endoscopic Approach, 00DP0ZZ — Extraction of Glossopharyngeal Nerve, Open Approach, 00DP3ZZ — Extraction of Glossopharyngeal Nerve, Percutaneous Approach, 00DP4ZZ — Extraction of Glossopharyngeal Nerve, Percutaneous Endoscopic Approach, 00DQ0ZZ — Extraction of Vagus Nerve, Open Approach, 00DQ3ZZ — Extraction of Vagus Nerve, Percutaneous Approach, 00DQ4ZZ — Extraction of Vagus Nerve, Percutaneous Endoscopic Approach, 00DR0ZZ — Extraction of Accessory Nerve, Open Approach, 00DR3ZZ — Extraction of Accessory Nerve, Percutaneous Approach, 00DR4ZZ — Extraction of Accessory Nerve, Percutaneous Endoscopic Approach, 00DS0ZZ — Extraction of Hypoglossal Nerve, Open Approach, 00DS3ZZ — Extraction of Hypoglossal Nerve, Percutaneous Approach, 00DS4ZZ — Extraction of Hypoglossal Nerve, Percutaneous Endoscopic Approach, 00DT0ZZ — Extraction of Spinal Meninges, Open Approach, 00DT3ZZ — Extraction of Spinal Meninges, Percutaneous Approach, 00DT4ZZ — Extraction of Spinal Meninges, Percutaneous Endoscopic Approach, X053X4B — Destruction of Brain using Focused Ultrasound Therapy, External Approach, New Technology Group 11, +234 more

Contextual Map

Every relationship of 00T70ZZ 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 00T70ZZ with these 5 related codes in Claim Check

PCS table

MS-DRG participation (15)

Clinical classification (CCSR)

  • CNS007 — CNS excision procedures[CCSR category]: “CNS excision procedures — Central Nervous System Procedures”— AHRQ CCSR for ICD-10-PCS Procedures (HCUP) · v2026.1

MDC crossing · diagnoses (3301)

  • 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 · FY2026
  • 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 · FY2026
  • 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) · FY2026
  • 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) · FY2026
  • 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) · FY2026
  • 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) · FY2026
  • 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) · FY2026
  • and 3296 more

Nearest codes

Change history

No changes recorded for this code. This ledger tracks additions, deletions and description changes from FY2026 (April) onward. Note changes are not tracked.

Read from: CMS ICD-10-PCS code tables, index and definitions — FY2026 (April); CMS MS-DRG Definitions Manual (incl. Appendix B diagnosis index, Appendix C CC/MCC list, Appendix E procedure index) and IPPS Final Rule tables — v43; 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