1. Home
  2. ICD-10-PCS
  3. 00940ZX
  4. Share
  5. Feedback

ICD 10 Code 00940ZX

Drainage of Intracranial Subdural Space, Open Approach, Diagnostic
“Drainage of Cran Subdur Spc, Open Approach, Diagn” for short

00940ZX is a valid billable ICD-10 procedure code for Drainage of Intracranial Subdural Space, Open Approach, Diagnostic. It is found in the 2025 version of the ICD-10 Procedure Coding System (PCS) and can be used in all HIPAA-covered transactions from Oct 01, 2024 - Sep 30, 2025.

Drainage involves:
Taking or letting out fluids and/or gases from a body part. The qualifier DIAGNOSTIC is used to identify drainage procedures that are biopsies

Open approach involves:
Cutting through the skin or mucous membrane and any other body layers necessary to expose the site of the procedure

Drainage includes:

  • Thoracentesis, incision and drainage
MS-DRG - Medicare Severity-Diagnosis Related Group
  • MDC 01 Diseases & Disorders of the Nervous System
    Craniotomy with Major Device Implant or Acute Complex CNS PDX
    • DRG 023 - CRANIOTOMY WITH MAJOR DEVICE IMPLANT OR ACUTE COMPLEX CNS PDX WITH MCC OR CHEMOTHERAPY IMPLANT OR EPILEPSY WITH NEUROSTIMULATOR
    • DRG 024 - CRANIOTOMY WITH MAJOR DEVICE IMPLANT OR ACUTE COMPLEX CNS PDX WITHOUT MCC
  • MDC 01 Diseases & Disorders of the Nervous System
    Craniotomy and Endovascular Intracranial Procedures
    • DRG 025 - CRANIOTOMY AND ENDOVASCULAR INTRACRANIAL PROCEDURES WITH MCC
    • DRG 026 - CRANIOTOMY AND ENDOVASCULAR INTRACRANIAL PROCEDURES WITH CC
    • DRG 027 - CRANIOTOMY AND ENDOVASCULAR INTRACRANIAL PROCEDURES WITHOUT CC/MCC
  • MDC 17 Myeloproliferative Diseases & Disorders, Poorly Differentiated Neoplasms
    Lymphoma and Leukemia with Major Procedure
    • DRG 820 - LYMPHOMA AND LEUKEMIA WITH MAJOR O.R. PROCEDURE WITH MCC
    • DRG 821 - LYMPHOMA AND LEUKEMIA WITH MAJOR O.R. PROCEDURE WITH CC
    • DRG 822 - LYMPHOMA AND LEUKEMIA WITH MAJOR O.R. PROCEDURE WITHOUT CC/MCC
  • MDC 17 Myeloproliferative Diseases & Disorders, Poorly Differentiated Neoplasms
    Myeloproliferative Disorders or Poorly Differentiated Neoplasms with Major Procedure
    • DRG 826 - MYELOPROLIFERATIVE DISORDERS OR POORLY DIFFERENTIATED NEOPLASMS WITH MAJOR O.R. PROCEDURE WITH MCC
    • DRG 827 - MYELOPROLIFERATIVE DISORDERS OR POORLY DIFFERENTIATED NEOPLASMS WITH MAJOR O.R. PROCEDURE WITH CC
    • DRG 828 - MYELOPROLIFERATIVE DISORDERS OR POORLY DIFFERENTIATED NEOPLASMS WITH MAJOR O.R. PROCEDURE WITHOUT CC/MCC

ICD-10-PCS code structure for 00940ZX — See Table View

1: Section 0 Medical and Surgical
2: Body System 0 Central Nervous System and Cranial Nerves
3: Root Operation 9 Drainage
4: Body Part 4 Subdural Space, Intracranial
5: Approach 0 Open
6: Device Z No Device
7: Qualifier X Diagnostic

See also

  • The ICD-10-PCS Index of common procedure terms.
  • Medical and Surgical terms in the ICD-10-PCS Definitions table. These definitions may also provide additional explanation and/or examples within this section.
  • The ICD-10-PCS Device Aggregation Table containing entries that correlate a specific ICD-10-PCS device value with a general device value to be used in tables containing only general device values.