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

The International Classification of Diseases, Tenth Revision, Procedure Coding System (ICD-10-PCS) code group CT1H includes procedures performed to image urinary structures in the bladder and ureters using planar nuclear medicine techniques. These ICD-10-PCS codes are used for inpatient documentation when radioactive materials are introduced into the body to generate single‑plane images of bladder and ureter function or anatomy. Accurate coding within the ICD-10-PCS CT1H group is essential for proper inpatient reimbursement, as it captures the procedure performed and determines appropriate case mix and payment.

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Bladder And Ureters Planar Nuclear Medicine Imaging Procedure Overview

This procedure group includes planar nuclear medicine imaging of the urinary system focused on the bladder and ureters. These procedures involve introducing radioactive materials into the body to capture single‑plane images from emissions and evaluate urinary structure and function. Accurate ICD-10-PCS coding for these procedures is important for inpatient claims because it documents the imaging performed and supports appropriate case mix assignment and payment.

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
H	Body Part	Bladder and Ureters

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

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Bladder And Ureters 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
H	Body Part	Bladder and Ureters

When to Use

Use codes from this group when a radioactive tracer is introduced and planar imaging is performed to assess bladder or ureter structure or function during an inpatient encounter. These codes apply when the imaging procedure is documented as planar nuclear medicine imaging of the urinary system targeting the bladder and ureters.

ICD-10-PCS Codes

2 rows

ICD-10-PCS Code	Description
CT1H1ZZ	Planar Nuclear Medicine Imaging of Bladder and Ureters using Technetium 99m (Tc-99m)
CT1HYZZ	Planar Nuclear Medicine Imaging of Bladder and Ureters using Other Radionuclide

Typical Clinical Scenarios

An elderly patient with acute urinary retention and hematuria is admitted for evaluation after outpatient ultrasound is inconclusive; the team suspects a structural obstruction of the bladder or impaired bladder emptying and requires functional imaging to assess filling, emptying, and ureteral drainage while inpatient. A planar nuclear medicine study introducing a radiotracer is performed to evaluate bladder function and detect possible ureteral reflux or obstruction. Typical codes: CT1H1ZZ, CT1HYZZ
A hospitalized pediatric patient with recurrent febrile urinary tract infections and concern for vesicoureteral reflux following prior corrective surgery is scheduled for diagnostic imaging to assess post‑operative bladder and ureter function; inpatient monitoring is indicated due to age and need for sedation. A planar radionuclide study using an appropriate tracer is used to visualize reflux and ureteral dynamics over time. Typical codes: CT1H1ZZ, CT1HYZZ
A middle‑aged patient on the inpatient surgical service develops unexplained flank pain and declining renal function after pelvic radiation therapy; clinicians suspect delayed radiation‑induced ureteral injury impacting drainage and order planar nuclear medicine imaging to evaluate ureteral patency and bladder reservoir function before deciding on intervention. Typical codes: CT1H1ZZ, CT1HYZZ

ICD-10-PCS Code For Kidneys Ureters And Bladder: 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

2 rows

ICD-10-PCS Code	Description
CT1H1ZZ	Planar Nuclear Medicine Imaging of Bladder and Ureters using Technetium 99m (Tc-99m)
CT1HYZZ	Planar Nuclear Medicine Imaging of Bladder and Ureters using Other Radionuclide

Typical Clinical Scenarios

An elderly patient with acute urinary retention and hematuria is admitted for evaluation after outpatient ultrasound is inconclusive; the team suspects a structural obstruction of the bladder or impaired bladder emptying and requires functional imaging to assess filling, emptying, and ureteral drainage while inpatient. A planar nuclear medicine study introducing a radiotracer is performed to evaluate bladder function and detect possible ureteral reflux or obstruction. Typical codes: CT1H1ZZ, CT1HYZZ
A hospitalized pediatric patient with recurrent febrile urinary tract infections and concern for vesicoureteral reflux following prior corrective surgery is scheduled for diagnostic imaging to assess post‑operative bladder and ureter function; inpatient monitoring is indicated due to age and need for sedation. A planar radionuclide study using an appropriate tracer is used to visualize reflux and ureteral dynamics over time. Typical codes: CT1H1ZZ, CT1HYZZ
A middle‑aged patient on the inpatient surgical service develops unexplained flank pain and declining renal function after pelvic radiation therapy; clinicians suspect delayed radiation‑induced ureteral injury impacting drainage and order planar nuclear medicine imaging to evaluate ureteral patency and bladder reservoir function before deciding on intervention. Typical codes: CT1H1ZZ, CT1HYZZ

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

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Bladder And Ureters Planar Nuclear Medicine Imaging Procedure Overview

Code Attributes

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

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Bladder And Ureters 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 Bladder And Ureters: Procedure Code Group Overview

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

Bladder And Ureters Planar Nuclear Medicine Imaging Procedure Overview

Code Attributes

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

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

Bladder And Ureters 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 CT1H code group?

What are the specific ICD-10-PCS codes in this group?

What section, body system, and operation attributes define CT1H codes?

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

How does accurate coding of CT1H procedures affect reimbursement?

References

When to Use

ICD-10-PCS Codes

Typical Clinical Scenarios

Related Codes

Which procedures are included in the CT1H code group?

What are the specific ICD-10-PCS codes in this group?

What section, body system, and operation attributes define CT1H codes?

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

How does accurate coding of CT1H procedures affect reimbursement?

References