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ICD 10 Code 009A0ZX

Drainage of Hypothalamus, Open Approach, Diagnostic

009A0ZX is a valid billable ICD-10 procedure code for Drainage of Hypothalamus, 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

Hypothalamus body part includes:

  • Mammillary body
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 009A0ZX — 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 A Hypothalamus
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.