ICD-10-PCS Code For Central Nervous System: Procedure Code Group Overview

The International Classification of Diseases, Tenth Revision, Procedure Coding System (ICD-10-PCS) code group C01Y includes procedures performed to image functional or metabolic activity in the central nervous system using planar nuclear medicine techniques. These ICD-10-PCS codes are used for inpatient documentation when single-plane nuclear medicine imaging with introduction of radioactive materials is performed to evaluate central nervous system function. Accurate coding within the ICD-10-PCS C01Y group is essential for proper inpatient reimbursement, as it captures the specific imaging procedure performed and supports clinical documentation accuracy.

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Central Nervous System Planar Procedure Overview

This group includes planar nuclear medicine imaging procedures that introduce radioactive materials to capture single-plane images of the central nervous system. These procedures target the central nervous system and use radiotracers to visualize functional and metabolic activity from emitted radiation. Accurate ICD-10-PCS coding ensures inpatient records reflect the specific imaging modality and supports correct case mix assignment and reimbursement.

Code Attributes

Character	ICD-10-PCS Category	Code Group Details
C	Section	Nuclear Medicine
0	Body System	Central Nervous System
1	Operation	Planar Nuclear Medicine Imaging
Y	Body Part	Central Nervous System

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ICD-10-PCS Code For Central Nervous System: Procedure Code Group Overview

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Central Nervous System Planar Procedure Overview

Code Attributes

Character	ICD-10-PCS Category	Code Group Details
C	Section	Nuclear Medicine
0	Body System	Central Nervous System
1	Operation	Planar Nuclear Medicine Imaging
Y	Body Part	Central Nervous System

When to Use

Use a code from this group when a planar nuclear medicine study is performed with introduction of a radioactive agent to image central nervous system function in an inpatient setting. Select the code when the procedure specifically documents planar single-plane imaging of the central nervous system using an other radionuclide.

ICD-10-PCS Codes

1 rows

ICD-10-PCS Code	Description
C01YYZZ	Planar Nuclear Medicine Imaging of Central Nervous System using Other Radionuclide

Typical Clinical Scenarios

An elderly patient is admitted with acute confusion and a focal neurologic deficit after a fall, and clinicians suspect altered cerebral perfusion or regional brain dysfunction. To evaluate functional activity and assist in differentiating ischemic injury versus metabolic or traumatic changes, a single-plane nuclear medicine study of the central nervous system is performed after administration of a non-standard radiotracer. The planar imaging helps guide further management in the inpatient setting. Typical codes: C01YYZZ
A hospitalized patient with progressive cognitive decline and atypical dementia features undergoes inpatient functional imaging to assess cerebral perfusion patterns that may support a differential diagnosis. The team orders a planar radionuclide study using an other radionuclide tracer to visualize metabolic activity in specific brain regions as part of the diagnostic workup while inpatient. Typical codes: C01YYZZ
A patient recovering from neurosurgery develops new focal neurological signs and clinicians need to evaluate regional brain function to distinguish postoperative ischemia, seizure focus, or persistent mass effect. A planar nuclear medicine scan with an other radionuclide is performed in the hospital to rapidly assess functional integrity of central nervous system tissue and inform urgent management decisions. Typical codes: C01YYZZ

Related Codes

C010-BRAIN-PLANAR-IMAGING

ICD-10-PCS Code For Brain: Procedure Code Group Overview

C015-CEREBROSPINAL-FLUID-PLANAR-IMAGING

ICD-10-PCS Code For Cerebrospinal Fluid: Procedure Code Group Overview

Frequently Asked Questions

References

1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.

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When to Use

ICD-10-PCS Codes

1 rows

ICD-10-PCS Code	Description
C01YYZZ	Planar Nuclear Medicine Imaging of Central Nervous System using Other Radionuclide

Typical Clinical Scenarios

An elderly patient is admitted with acute confusion and a focal neurologic deficit after a fall, and clinicians suspect altered cerebral perfusion or regional brain dysfunction. To evaluate functional activity and assist in differentiating ischemic injury versus metabolic or traumatic changes, a single-plane nuclear medicine study of the central nervous system is performed after administration of a non-standard radiotracer. The planar imaging helps guide further management in the inpatient setting. Typical codes: C01YYZZ
A hospitalized patient with progressive cognitive decline and atypical dementia features undergoes inpatient functional imaging to assess cerebral perfusion patterns that may support a differential diagnosis. The team orders a planar radionuclide study using an other radionuclide tracer to visualize metabolic activity in specific brain regions as part of the diagnostic workup while inpatient. Typical codes: C01YYZZ
A patient recovering from neurosurgery develops new focal neurological signs and clinicians need to evaluate regional brain function to distinguish postoperative ischemia, seizure focus, or persistent mass effect. A planar nuclear medicine scan with an other radionuclide is performed in the hospital to rapidly assess functional integrity of central nervous system tissue and inform urgent management decisions. Typical codes: C01YYZZ

Related Codes

C010-BRAIN-PLANAR-IMAGING

ICD-10-PCS Code For Brain: Procedure Code Group Overview

C015-CEREBROSPINAL-FLUID-PLANAR-IMAGING

ICD-10-PCS Code For Cerebrospinal Fluid: Procedure Code Group Overview

Frequently Asked Questions

References

1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.

Published by

Trek Health powers OpenPayer with a leading commercial payer intelligence platform, seamlessly converting fragmented payer data into actionable insights for provider organizations.

ICD-10-PCS Code For Central Nervous System: Procedure Code Group Overview

Sign up for ICD-10-PCS Code For Central Nervous System: Procedure Code Group Overview policy alerts

Central Nervous System Planar Procedure Overview

Code Attributes

ICD-10-PCS Code For Central Nervous System: Procedure Code Group Overview

Sign up for ICD-10-PCS Code For Central Nervous System: Procedure Code Group Overview policy alerts

Central Nervous System Planar Procedure Overview

Code Attributes

When to Use

ICD-10-PCS Codes

Typical Clinical Scenarios

Related Codes

What procedures are included in the C01Y ICD-10-PCS code group?

What is the primary operation and body system specified for these codes?

How is `C01YYZZ` described in this code group?

When should these ICD-10-PCS codes be used in inpatient documentation?

How does accurate coding within the C01Y group affect reimbursement?

References

When to Use

ICD-10-PCS Codes

Typical Clinical Scenarios

Related Codes

What procedures are included in the C01Y ICD-10-PCS code group?

What is the primary operation and body system specified for these codes?

How is `C01YYZZ` described in this code group?

When should these ICD-10-PCS codes be used in inpatient documentation?

How does accurate coding within the C01Y group affect reimbursement?

References