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

The International Classification of Diseases, Tenth Revision, Procedure Coding System (ICD-10-PCS) code group C050 includes procedures performed to detect or measure radioactive emissions in the Brain using nonimaging nuclear medicine probe techniques. These ICD-10-PCS codes are used for inpatient documentation when radioactive materials are introduced or external radioactive emissions are measured to study distribution or absorption in the brain. Accurate coding within the ICD-10-PCS C050 group is essential for proper inpatient reimbursement, as it captures the procedure performed and determines appropriate case mix and payment.

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Brain Nonimaging Nuclear Medicine Probe Procedure Overview

Procedures in this group involve introduction of radioactive materials or measurement of radioactive emissions targeting the brain within the central nervous system. These nonimaging nuclear medicine probe procedures assess distribution, absorption, or detection of radioactive tracers in the brain. Accurate ICD-10-PCS coding is important for inpatient reimbursement because it documents the specific nuclear medicine probe operation and supports appropriate case mix and payment.

Code Attributes

Character	ICD-10-PCS Category	Code Group Details
C	Section	Nuclear Medicine
0	Body System	Central Nervous System
5	Operation	Nonimaging Nuclear Medicine Probe
0	Body Part	Brain

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

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Brain Nonimaging Nuclear Medicine Probe Procedure Overview

Code Attributes

Character	ICD-10-PCS Category	Code Group Details
C	Section	Nuclear Medicine
0	Body System	Central Nervous System
5	Operation	Nonimaging Nuclear Medicine Probe
0	Body Part	Brain

When to Use

Use a code from this group when a nonimaging nuclear medicine probe procedure is performed on the Brain to study tracer distribution or to measure radioactive emissions. Do not use these codes for imaging studies such as planar scintigraphy or positron emission tomography, which are coded in different PCS sections.

ICD-10-PCS Codes

2 rows

ICD-10-PCS Code	Description
C050VZZ	Nonimaging Nuclear Medicine Probe of Brain using Xenon 133 (Xe-133)
C050YZZ	Nonimaging Nuclear Medicine Probe of Brain using Other Radionuclide

Typical Clinical Scenarios

An elderly patient is admitted with sudden onset transient focal neurological deficits and altered level of consciousness after suspected hypoxic event. Clinicians perform bedside assessment of cerebral ventilation and regional cerebral blood flow using inhaled Xenon-133 to evaluate cortical perfusion and guide acute management in the inpatient setting. The nonimaging probe technique detects radioactive emissions over the scalp to provide physiologic data without producing planar or tomographic images. Typical codes: C050VZZ
A middle-aged patient with refractory seizures is admitted for pre-surgical physiologic assessment of cerebral blood flow distribution to localize dysfunctional cortex. A nonimaging probe study is performed using an alternative radionuclide tracer to measure regional tracer uptake dynamics at the bedside as part of the preoperative evaluation. The procedure uses external detection of emissions over the brain rather than image-based modalities. Typical codes: C050YZZ
A patient on the neurology service develops progressive encephalopathy after cardiac arrest and requires reassessment of cerebral perfusion to inform goals-of-care discussions. Repeat nonimaging probe assessment is ordered to measure changes in tracer distribution compared with prior studies, using Xenon-133 to evaluate current cerebral blood flow status in the inpatient setting. This is a follow-up physiologic probe rather than anatomic imaging study. Typical codes: C050VZZ

ICD-10-PCS Code For Central Nervous System: 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

2 rows

ICD-10-PCS Code	Description
C050VZZ	Nonimaging Nuclear Medicine Probe of Brain using Xenon 133 (Xe-133)
C050YZZ	Nonimaging Nuclear Medicine Probe of Brain using Other Radionuclide

Typical Clinical Scenarios

An elderly patient is admitted with sudden onset transient focal neurological deficits and altered level of consciousness after suspected hypoxic event. Clinicians perform bedside assessment of cerebral ventilation and regional cerebral blood flow using inhaled Xenon-133 to evaluate cortical perfusion and guide acute management in the inpatient setting. The nonimaging probe technique detects radioactive emissions over the scalp to provide physiologic data without producing planar or tomographic images. Typical codes: C050VZZ
A middle-aged patient with refractory seizures is admitted for pre-surgical physiologic assessment of cerebral blood flow distribution to localize dysfunctional cortex. A nonimaging probe study is performed using an alternative radionuclide tracer to measure regional tracer uptake dynamics at the bedside as part of the preoperative evaluation. The procedure uses external detection of emissions over the brain rather than image-based modalities. Typical codes: C050YZZ
A patient on the neurology service develops progressive encephalopathy after cardiac arrest and requires reassessment of cerebral perfusion to inform goals-of-care discussions. Repeat nonimaging probe assessment is ordered to measure changes in tracer distribution compared with prior studies, using Xenon-133 to evaluate current cerebral blood flow status in the inpatient setting. This is a follow-up physiologic probe rather than anatomic imaging study. Typical codes: C050VZZ

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

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Brain Nonimaging Nuclear Medicine Probe Procedure Overview

Code Attributes

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

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Brain Nonimaging Nuclear Medicine Probe Procedure Overview

Code Attributes

When to Use

ICD-10-PCS Codes

Typical Clinical Scenarios

Related Codes

References

When to Use

ICD-10-PCS Codes

Typical Clinical Scenarios

Related Codes

References

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

Sign up for ICD-10-PCS Code For Brain: Procedure Code Group Overview policy alerts

Brain Nonimaging Nuclear Medicine Probe Procedure Overview

Code Attributes

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

Sign up for ICD-10-PCS Code For Brain: Procedure Code Group Overview policy alerts

Brain Nonimaging Nuclear Medicine Probe Procedure Overview

Code Attributes

When to Use

ICD-10-PCS Codes

Typical Clinical Scenarios

Related Codes

What procedures are included in ICD-10-PCS code group C050?

Which section, body system, and operation are associated with C050 codes?

What specific ICD-10-PCS codes are in this group and how are they differentiated?

How does accurate coding within the C050 group affect inpatient reimbursement?

Are there related DRGs listed for the C050 code group?

References

When to Use

ICD-10-PCS Codes

Typical Clinical Scenarios

Related Codes

What procedures are included in ICD-10-PCS code group C050?

Which section, body system, and operation are associated with C050 codes?

What specific ICD-10-PCS codes are in this group and how are they differentiated?

How does accurate coding within the C050 group affect inpatient reimbursement?

Are there related DRGs listed for the C050 code group?

References