ICD-10-PCS Code For Kidneys Ureters And Bladder: Procedure Code Group Overview

The International Classification of Diseases, Tenth Revision, Procedure Coding System (ICD-10-PCS) code group CT13 includes procedures performed to image radioactive emissions from the kidneys, ureters, and bladder in the urinary system. These ICD-10-PCS codes are used for inpatient documentation when planar nuclear medicine imaging is performed after introduction of radioactive materials to visualize renal and urinary tract function or structure. Accurate coding within the ICD-10-PCS CT13 group is essential for proper inpatient reimbursement, as it captures the specific diagnostic nuclear medicine procedure performed and supports clinical documentation accuracy.

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Kidneys, Ureters And Bladder Planar Nuclear Medicine Imaging Procedure Overview

This group includes planar nuclear medicine imaging procedures that capture radioactive emissions from the kidneys, ureters, and bladder to create single‑plane diagnostic images. These procedures target the urinary system and involve introduction of radioactive materials followed by external image capture. Accurate ICD-10-PCS coding ensures the inpatient record reflects the specific nuclear medicine imaging performed and supports appropriate reimbursement.

Code Attributes

Character	ICD-10-PCS Category	Code Group Details
C	Section	Nuclear Medicine
T	Body System	Urinary System
1	Operation	Planar Nuclear Medicine Imaging
3	Body Part	Kidneys, Ureters and Bladder

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ICD-10-PCS Code For Kidneys Ureters And Bladder: Procedure Code Group Overview

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Kidneys, Ureters And Bladder Planar Nuclear Medicine Imaging Procedure Overview

Code Attributes

Character	ICD-10-PCS Category	Code Group Details
C	Section	Nuclear Medicine
T	Body System	Urinary System
1	Operation	Planar Nuclear Medicine Imaging
3	Body Part	Kidneys, Ureters and Bladder

When to Use

Use a code from this group when radioactive material is introduced and planar imaging is performed to evaluate renal or urinary tract function or anatomy during an inpatient stay. Do not use these codes for non‑nuclear imaging modalities or multi‑plane nuclear imaging studies.

ICD-10-PCS Codes

4 rows

ICD-10-PCS Code	Description
CT131ZZ	Planar Nuclear Medicine Imaging of Kidneys, Ureters and Bladder using Technetium 99m (Tc-99m)
CT13FZZ	Planar Nuclear Medicine Imaging of Kidneys, Ureters and Bladder using Iodine 123 (I-123)
CT13GZZ	Planar Nuclear Medicine Imaging of Kidneys, Ureters and Bladder using Iodine 131 (I-131)
CT13YZZ	Planar Nuclear Medicine Imaging of Kidneys, Ureters and Bladder using Other Radionuclide

Typical Clinical Scenarios

An elderly patient is admitted with acute flank pain, hematuria, and rising creatinine after recent dehydration; the team suspects obstructive uropathy and needs functional assessment of renal perfusion and urine drainage. A radionuclide agent is introduced and planar imaging is performed to evaluate differential renal function and detect obstruction of the urinary tract during the inpatient workup. The study helps guide urgent decisions about decompression versus conservative management. Typical codes: CT131ZZ
A middle-aged patient hospitalized for evaluation of recurrent urinary tract infections and suspected renal scarring after childhood pyelonephritis undergoes outpatient-to-inpatient transition for definitive imaging. A radiopharmaceutical is administered and single‑plane planar images are obtained to assess relative renal function and identify cortical defects consistent with scarring as part of planned diagnostic assessment. Typical codes: CT13FZZ
A patient with metastatic thyroid cancer is admitted for inpatient monitoring after therapeutic radionuclide administration; during the same stay a diagnostic planar study of the urinary system is performed to evaluate renal handling and potential tracer accumulation in the bladder that may affect dosing or safety. A specific radionuclide used for therapy or diagnostic follow‑up is introduced and planar nuclear imaging is captured to document urinary tract tracer distribution. Typical codes: CT13GZZ, CT13YZZ

ICD-10-PCS Code For Bladder And Ureters: Procedure Code Group Overview

CT1Y-URINARY-SYSTEM-PLANAR-IMAGING

ICD-10-PCS Code For Urinary 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

4 rows

ICD-10-PCS Code	Description
CT131ZZ	Planar Nuclear Medicine Imaging of Kidneys, Ureters and Bladder using Technetium 99m (Tc-99m)
CT13FZZ	Planar Nuclear Medicine Imaging of Kidneys, Ureters and Bladder using Iodine 123 (I-123)
CT13GZZ	Planar Nuclear Medicine Imaging of Kidneys, Ureters and Bladder using Iodine 131 (I-131)
CT13YZZ	Planar Nuclear Medicine Imaging of Kidneys, Ureters and Bladder using Other Radionuclide

Typical Clinical Scenarios

An elderly patient is admitted with acute flank pain, hematuria, and rising creatinine after recent dehydration; the team suspects obstructive uropathy and needs functional assessment of renal perfusion and urine drainage. A radionuclide agent is introduced and planar imaging is performed to evaluate differential renal function and detect obstruction of the urinary tract during the inpatient workup. The study helps guide urgent decisions about decompression versus conservative management. Typical codes: CT131ZZ
A middle-aged patient hospitalized for evaluation of recurrent urinary tract infections and suspected renal scarring after childhood pyelonephritis undergoes outpatient-to-inpatient transition for definitive imaging. A radiopharmaceutical is administered and single‑plane planar images are obtained to assess relative renal function and identify cortical defects consistent with scarring as part of planned diagnostic assessment. Typical codes: CT13FZZ
A patient with metastatic thyroid cancer is admitted for inpatient monitoring after therapeutic radionuclide administration; during the same stay a diagnostic planar study of the urinary system is performed to evaluate renal handling and potential tracer accumulation in the bladder that may affect dosing or safety. A specific radionuclide used for therapy or diagnostic follow‑up is introduced and planar nuclear imaging is captured to document urinary tract tracer distribution. Typical codes: CT13GZZ, CT13YZZ

ICD-10-PCS Code For Bladder And Ureters: Procedure Code Group Overview

CT1Y-URINARY-SYSTEM-PLANAR-IMAGING

ICD-10-PCS Code For Urinary 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.

Published by

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

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ICD-10-PCS Code For Kidneys Ureters And Bladder: Procedure Code Group Overview

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Kidneys, Ureters And Bladder Planar Nuclear Medicine Imaging Procedure Overview

Code Attributes

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ICD-10-PCS Code For Kidneys Ureters And Bladder: Procedure Code Group Overview

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Kidneys, Ureters And Bladder Planar Nuclear Medicine Imaging 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 Kidneys Ureters And Bladder: Procedure Code Group Overview

Sign up for ICD-10-PCS Code For Kidneys Ureters And Bladder: Procedure Code Group Overview policy alerts

Kidneys, Ureters And Bladder Planar Nuclear Medicine Imaging Procedure Overview

Code Attributes

ICD-10-PCS Code For Kidneys Ureters And Bladder: Procedure Code Group Overview

Sign up for ICD-10-PCS Code For Kidneys Ureters And Bladder: Procedure Code Group Overview policy alerts

Kidneys, Ureters And Bladder Planar Nuclear Medicine Imaging Procedure Overview

Code Attributes

When to Use

ICD-10-PCS Codes

Typical Clinical Scenarios

Related Codes

Which procedures are included in the ICD-10-PCS CT13 code group?

What is the ICD-10-PCS section and operation for these codes?

How do the individual codes in CT13 differ?

Why is accurate coding within the CT13 group important?

Are there related DRGs listed for the CT13 code group?

References

When to Use

ICD-10-PCS Codes

Typical Clinical Scenarios

Related Codes

Which procedures are included in the ICD-10-PCS CT13 code group?

What is the ICD-10-PCS section and operation for these codes?

How do the individual codes in CT13 differ?

Why is accurate coding within the CT13 group important?

Are there related DRGs listed for the CT13 code group?

References