ICD-10-PCS Code For Anatomical Regions: Procedure Code Group Overview

The International Classification of Diseases, Tenth Revision, Procedure Coding System (ICD-10-PCS) code group CW1Y includes procedures performed to image multiple anatomical regions using introduced radioactive materials for single plane display of emissions. These ICD-10-PCS codes are used for inpatient documentation when planar nuclear medicine studies of multiple anatomical regions are performed to evaluate physiological function or distribution of radionuclide. Accurate coding within the ICD-10-PCS CW1Y group is essential for proper inpatient reimbursement, as it captures the procedure performed and supports clinical documentation accuracy.

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Anatomical Regions Planar Nuclear Medicine Imaging Procedure Overview

Procedures in this group involve planar nuclear medicine imaging targeting multiple anatomical regions using introduced radioactive materials to capture single-plane images from emitted radiation. These studies are part of the nuclear medicine section and focus on anatomical regions rather than a single organ. Accurate ICD-10-PCS coding ensures the inpatient record reflects the imaging performed and supports correct case mix designation and reimbursement.

Code Attributes

Character	ICD-10-PCS Category	Code Group Details
C	Section	Nuclear Medicine
W	Body System	Anatomical Regions
1	Operation	Planar Nuclear Medicine Imaging
Y	Body Part	Anatomical Regions, Multiple

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ICD-10-PCS Code For Anatomical Regions: Procedure Code Group Overview

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Anatomical Regions Planar Nuclear Medicine Imaging Procedure Overview

Code Attributes

Character	ICD-10-PCS Category	Code Group Details
C	Section	Nuclear Medicine
W	Body System	Anatomical Regions
1	Operation	Planar Nuclear Medicine Imaging
Y	Body Part	Anatomical Regions, Multiple

When to Use

Use a code from this group when a planar nuclear medicine study is performed that images more than one anatomical region after introduction of a radionuclide. These codes apply when the imaging is inpatient and the operative report or imaging record documents single-plane acquisition of emitted radiation from multiple regions.

ICD-10-PCS Codes

1 rows

ICD-10-PCS Code	Description
CW1YYZZ	Planar Nuclear Medicine Imaging of Multiple Anatomical Regions using Other Radionuclide

Typical Clinical Scenarios

A hospitalized elderly patient with unexplained, recurrent syncope and intermittent dizziness after falls is admitted for evaluation of possible cerebrovascular and cardiac causes. Because symptoms are intermittent and the team needs single-plane functional assessment of radiotracer distribution across more than one anatomical region (head and neck vascular territories and thorax) to evaluate cerebral perfusion versus cardiac contribution, a planar nuclear medicine study using an introduced radionuclide is performed during the inpatient stay to compare multiple regions in a single-plane acquisition. Typical codes: CW1YYZZ
A middle-aged patient admitted electively for staging and assessment of suspected multifocal skeletal involvement from malignancy presents for diagnostic imaging to evaluate distribution of bone-seeking radiotracer across several anatomical regions (axial and appendicular skeleton) in one session. The inpatient nuclear medicine team performs a planar whole-body single-plane acquisition following injection of a radionuclide to document extent and pattern of uptake across multiple anatomical regions for treatment planning. Typical codes: CW1YYZZ
A trauma patient in the inpatient unit with polytrauma and persistent unexplained bleeding risk undergoes evaluation to localize occult hemorrhage versus organ perfusion abnormalities; the nuclear medicine service performs a planar study that images multiple anatomical regions (abdomen and pelvis, and lower chest) after radionuclide introduction to quickly survey for abnormal tracer accumulation in a single-plane format. Typical codes: CW1YYZZ

Related Codes

CW10-ABDOMEN-PLANAR-IMAGING

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

CW11-ABDOMEN-AND-PELVIS-PLANAR-IMAGING

ICD-10-PCS Code for Abdomen And Pelvis: Procedure Code Group Overview

CW13-CHEST-PLANAR-IMAGING

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

CW14-CHEST-AND-ABDOMEN-PLANAR

ICD-10-PCS Code For Chest And Abdomen: Procedure Code Group Overview

CW16-CHEST-AND-NECK-PLANAR-IMAGING

ICD-10-PCS Code For Chest And Neck: Procedure Code Group Overview

CW1B-HEAD-AND-NECK-PLANAR-IMAGING

ICD-10-PCS Code For Head And Neck: Procedure Code Group Overview

CW1D-LOWER-EXTREMITY-PLANAR-IMAGING

ICD-10-PCS Code For Lower Extremity: Procedure Code Group Overview

CW1J-PELVIC-REGION-PLANAR-IMAGING

ICD-10-PCS Code For Pelvic Region: Procedure Code Group Overview

CW1M-UPPER-EXTREMITY-PLANAR-IMAGING

ICD-10-PCS Code For Upper Extremity: Procedure Code Group Overview

CW1N-WHOLE-BODY-PLANAR-IMAGING

ICD-10-PCS Code For Whole Body: Procedure Code Group Overview

Showing 1–10 of 11

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
CW1YYZZ	Planar Nuclear Medicine Imaging of Multiple Anatomical Regions using Other Radionuclide

Typical Clinical Scenarios

A hospitalized elderly patient with unexplained, recurrent syncope and intermittent dizziness after falls is admitted for evaluation of possible cerebrovascular and cardiac causes. Because symptoms are intermittent and the team needs single-plane functional assessment of radiotracer distribution across more than one anatomical region (head and neck vascular territories and thorax) to evaluate cerebral perfusion versus cardiac contribution, a planar nuclear medicine study using an introduced radionuclide is performed during the inpatient stay to compare multiple regions in a single-plane acquisition. Typical codes: CW1YYZZ
A middle-aged patient admitted electively for staging and assessment of suspected multifocal skeletal involvement from malignancy presents for diagnostic imaging to evaluate distribution of bone-seeking radiotracer across several anatomical regions (axial and appendicular skeleton) in one session. The inpatient nuclear medicine team performs a planar whole-body single-plane acquisition following injection of a radionuclide to document extent and pattern of uptake across multiple anatomical regions for treatment planning. Typical codes: CW1YYZZ
A trauma patient in the inpatient unit with polytrauma and persistent unexplained bleeding risk undergoes evaluation to localize occult hemorrhage versus organ perfusion abnormalities; the nuclear medicine service performs a planar study that images multiple anatomical regions (abdomen and pelvis, and lower chest) after radionuclide introduction to quickly survey for abnormal tracer accumulation in a single-plane format. Typical codes: CW1YYZZ

Related Codes

CW10-ABDOMEN-PLANAR-IMAGING

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

CW11-ABDOMEN-AND-PELVIS-PLANAR-IMAGING

ICD-10-PCS Code for Abdomen And Pelvis: Procedure Code Group Overview

CW13-CHEST-PLANAR-IMAGING

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

CW14-CHEST-AND-ABDOMEN-PLANAR

ICD-10-PCS Code For Chest And Abdomen: Procedure Code Group Overview

CW16-CHEST-AND-NECK-PLANAR-IMAGING

ICD-10-PCS Code For Chest And Neck: Procedure Code Group Overview

CW1B-HEAD-AND-NECK-PLANAR-IMAGING

ICD-10-PCS Code For Head And Neck: Procedure Code Group Overview

CW1D-LOWER-EXTREMITY-PLANAR-IMAGING

ICD-10-PCS Code For Lower Extremity: Procedure Code Group Overview

CW1J-PELVIC-REGION-PLANAR-IMAGING

ICD-10-PCS Code For Pelvic Region: Procedure Code Group Overview

CW1M-UPPER-EXTREMITY-PLANAR-IMAGING

ICD-10-PCS Code For Upper Extremity: Procedure Code Group Overview

CW1N-WHOLE-BODY-PLANAR-IMAGING

ICD-10-PCS Code For Whole Body: Procedure Code Group Overview

Showing 1–10 of 11

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 Anatomical Regions: Procedure Code Group Overview

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

Anatomical Regions Planar Nuclear Medicine Imaging Procedure Overview

Code Attributes

ICD-10-PCS Code For Anatomical Regions: Procedure Code Group Overview

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

Anatomical Regions Planar Nuclear Medicine Imaging Procedure Overview

Code Attributes

When to Use

ICD-10-PCS Codes

Typical Clinical Scenarios

Related Codes

Which ICD-10-PCS code group covers planar nuclear medicine imaging of multiple anatomical regions?

What is the primary operation and body system described for `CW1Y` procedures?

When should `CW1Y` codes be used in the inpatient record?

Why is accurate coding within the `CW1Y` group important for facilities?

What imaging modality and radionuclide use are described by `CW1YYZZ`?

References

When to Use

ICD-10-PCS Codes

Typical Clinical Scenarios

Related Codes

Which ICD-10-PCS code group covers planar nuclear medicine imaging of multiple anatomical regions?

What is the primary operation and body system described for `CW1Y` procedures?

When should `CW1Y` codes be used in the inpatient record?

Why is accurate coding within the `CW1Y` group important for facilities?

What imaging modality and radionuclide use are described by `CW1YYZZ`?

References