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

The International Classification of Diseases, Tenth Revision, Procedure Coding System (ICD-10-PCS) code group CP24 includes procedures performed to image musculoskeletal structures in the thorax using tomographic nuclear medicine techniques. These ICD-10-PCS codes are used for inpatient documentation when three-dimensional nuclear medicine imaging with introduction of radioactive materials is performed to evaluate thoracic musculoskeletal conditions. Accurate coding within the ICD-10-PCS CP24 group is essential for proper inpatient reimbursement, as it captures the specific imaging procedure performed and supports clinical documentation accuracy.

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Thorax Tomographic Nuclear Medicine Imaging Procedure Overview

This procedure group includes tomographic nuclear medicine imaging of the thorax, involving introduction of radioactive materials to capture three-dimensional images from emitted radiation. Procedures target the musculoskeletal structures of the thorax and use radionuclide tracers and specialized imaging to produce tomographic displays. Accurate ICD-10-PCS coding for these procedures ensures inpatient records reflect the imaging performed and supports appropriate reimbursement.

Code Attributes

Character	ICD-10-PCS Category	Code Group Details
C	Section	Nuclear Medicine
P	Body System	Musculoskeletal System
2	Operation	Tomographic (Tomo) Nuclear Medicine Imaging
4	Body Part	Thorax

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

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Thorax Tomographic Nuclear Medicine Imaging Procedure Overview

Code Attributes

Character	ICD-10-PCS Category	Code Group Details
C	Section	Nuclear Medicine
P	Body System	Musculoskeletal System
2	Operation	Tomographic (Tomo) Nuclear Medicine Imaging
4	Body Part	Thorax

When to Use

Use a code from this group when radionuclide tracers are introduced and tomographic imaging is performed to evaluate thoracic musculoskeletal anatomy. Codes apply when three-dimensional nuclear medicine imaging is documented during an inpatient encounter.

ICD-10-PCS Codes

2 rows

ICD-10-PCS Code	Description
CP241ZZ	Tomographic (Tomo) Nuclear Medicine Imaging of Thorax using Technetium 99m (Tc-99m)
CP24YZZ	Tomographic (Tomo) Nuclear Medicine Imaging of Thorax using Other Radionuclide

Typical Clinical Scenarios

An elderly patient admitted after a fall with persistent anterior chest wall pain and focal rib tenderness; plain radiographs are inconclusive for occult rib fracture or stress injury. To evaluate suspected thoracic musculoskeletal injury and localize areas of increased bone turnover, tomographic nuclear medicine imaging is performed after administration of technetium-99m tracer to produce three-dimensional images of the thorax. The study helps confirm focal osseous uptake consistent with fracture or stress reaction and guides inpatient management. Typical codes: CP241ZZ
A middle-aged patient with a history of chronic chest wall pain and prior thoracic surgery is admitted electively for evaluation of persistent, unexplained musculoskeletal pain. Given prior imaging limitations and the need for detailed localization of active bone pathology, tomographic nuclear medicine imaging of the thorax using an alternative radionuclide is ordered to assess for osteomyelitis or chronic inflammatory changes in the chest wall. The three-dimensional nuclear study provides enhanced localization to inform further inpatient treatment planning. Typical codes: CP24YZZ
A patient with known metastatic disease to the chest wall develops new focal pain and swelling after recent radiation therapy; concern exists for treatment-related bone necrosis versus progressive osseous metastasis. To differentiate active metastatic bone involvement from post-therapeutic changes, tomographic nuclear medicine imaging of the thorax is performed with technetium-99m to identify increased radiotracer uptake indicative of metabolically active lesions. The inpatient study assists clinicians in deciding on urgent oncologic or supportive interventions. Typical codes: CP241ZZ

Related Codes

CP21-SKULL-TOMOGRAPHIC-IMAGING

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

CP22-CERVICAL-SPINE-TOMOGRAPHIC-IMAGING

ICD-10-PCS Code For Cervical Spine: Procedure Code Group Overview

CP23-SKULL-AND-CERVICAL-SPINE-TOMOGRAPHIC

ICD-10-PCS Code For Skull And Cervical Spine: Procedure Code Group Overview

CP26-PELVIS-TOMOGRAPHIC-IMAGING

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

CP27-SPINE-PELVIS-TOMOGRAPHIC-IMAGING

ICD-10-PCS Code For Spine And Pelvis: Procedure Code Group Overview

CP28-UPPER-EXTREMITY-RIGHT-TOMOGRAPHIC

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

CP29-UPPER-EXTREMITY-LEFT-TOMOGRAPHIC

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

CP2B-UPPER-EXTREMITIES-BILATERAL-TOMOGRAPHIC

ICD-10-PCS Code For Upper Extremities Bilateral: Procedure Code Group Overview

CP2C-LOWER-EXTREMITY-RIGHT-TOMOGRAPHIC

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

CP2D-LEFT-LOWER-EXTREMITY-TOMOGRAPHIC-IMAGING

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

Showing 1–10 of 15

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
CP241ZZ	Tomographic (Tomo) Nuclear Medicine Imaging of Thorax using Technetium 99m (Tc-99m)
CP24YZZ	Tomographic (Tomo) Nuclear Medicine Imaging of Thorax using Other Radionuclide

Typical Clinical Scenarios

An elderly patient admitted after a fall with persistent anterior chest wall pain and focal rib tenderness; plain radiographs are inconclusive for occult rib fracture or stress injury. To evaluate suspected thoracic musculoskeletal injury and localize areas of increased bone turnover, tomographic nuclear medicine imaging is performed after administration of technetium-99m tracer to produce three-dimensional images of the thorax. The study helps confirm focal osseous uptake consistent with fracture or stress reaction and guides inpatient management. Typical codes: CP241ZZ
A middle-aged patient with a history of chronic chest wall pain and prior thoracic surgery is admitted electively for evaluation of persistent, unexplained musculoskeletal pain. Given prior imaging limitations and the need for detailed localization of active bone pathology, tomographic nuclear medicine imaging of the thorax using an alternative radionuclide is ordered to assess for osteomyelitis or chronic inflammatory changes in the chest wall. The three-dimensional nuclear study provides enhanced localization to inform further inpatient treatment planning. Typical codes: CP24YZZ
A patient with known metastatic disease to the chest wall develops new focal pain and swelling after recent radiation therapy; concern exists for treatment-related bone necrosis versus progressive osseous metastasis. To differentiate active metastatic bone involvement from post-therapeutic changes, tomographic nuclear medicine imaging of the thorax is performed with technetium-99m to identify increased radiotracer uptake indicative of metabolically active lesions. The inpatient study assists clinicians in deciding on urgent oncologic or supportive interventions. Typical codes: CP241ZZ

Related Codes

CP21-SKULL-TOMOGRAPHIC-IMAGING

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

CP22-CERVICAL-SPINE-TOMOGRAPHIC-IMAGING

ICD-10-PCS Code For Cervical Spine: Procedure Code Group Overview

CP23-SKULL-AND-CERVICAL-SPINE-TOMOGRAPHIC

ICD-10-PCS Code For Skull And Cervical Spine: Procedure Code Group Overview

CP26-PELVIS-TOMOGRAPHIC-IMAGING

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

CP27-SPINE-PELVIS-TOMOGRAPHIC-IMAGING

ICD-10-PCS Code For Spine And Pelvis: Procedure Code Group Overview

CP28-UPPER-EXTREMITY-RIGHT-TOMOGRAPHIC

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

CP29-UPPER-EXTREMITY-LEFT-TOMOGRAPHIC

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

CP2B-UPPER-EXTREMITIES-BILATERAL-TOMOGRAPHIC

ICD-10-PCS Code For Upper Extremities Bilateral: Procedure Code Group Overview

CP2C-LOWER-EXTREMITY-RIGHT-TOMOGRAPHIC

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

CP2D-LEFT-LOWER-EXTREMITY-TOMOGRAPHIC-IMAGING

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

Showing 1–10 of 15

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 Thorax: Procedure Code Group Overview

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

Thorax Tomographic Nuclear Medicine Imaging Procedure Overview

Code Attributes

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

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

Thorax Tomographic Nuclear Medicine Imaging Procedure Overview

Code Attributes

When to Use

ICD-10-PCS Codes

Typical Clinical Scenarios

Related Codes

What procedures are included in the CP24 ICD-10-PCS group?

Which ICD-10-PCS codes belong to this procedure group?

What section, body system, and operation attributes define CP24?

How does accurate coding within CP24 affect inpatient documentation and reimbursement?

Are related DRGs listed for the CP24 procedure group?

References

When to Use

ICD-10-PCS Codes

Typical Clinical Scenarios

Related Codes

What procedures are included in the CP24 ICD-10-PCS group?

Which ICD-10-PCS codes belong to this procedure group?

What section, body system, and operation attributes define CP24?

How does accurate coding within CP24 affect inpatient documentation and reimbursement?

Are related DRGs listed for the CP24 procedure group?

References