CT63GZZNonimaging Nuclear Medicine Assay of Kidneys, Ureters and Bladder using Iodine 131 (I-131)

  • Billable / Specific Code
ICD-10-PCS CT63GZZ
CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.FacebookXLinkedInPrint

CT63GZZ is a billable ICD-10-PCS procedure code for Nonimaging Nuclear Medicine Assay of Kidneys, Ureters and Bladder using Iodine 131 (I-131). It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026). The root operation Nonimaging Nuclear Medicine Assay involves introduction of radioactive materials into the body for the study of body fluids and blood elements, by the detection of radioactive emissions.

Code Identity

ICD-10-PCS Code
CT63GZZ
Billable Status
Yes — Valid for Submission
Code Describes
Nonimaging Nuclear Medicine Assay of Kidneys, Ureters and Bladder using Iodine 131 (I-131)
Parent Code
CT6 Nuclear Medicine, Urinary System, Nonimaging Nuclear Medicine Assay
Short Description
Nonimaging Nuclear Medicine Assay of KUB using Iodine 131

PCS Table Breakdown

Each ICD-10-PCS code is built from seven characters, each an axis of the procedure. Hover or tap the icons for the official CMS definitions.

PositionDesignationValueMeaning
1SectionCNuclear Medicine
2Body SystemTUrinary System
3Type6Nonimaging Nuclear Medicine Assay
4BodyPart3Kidneys, Ureters and Bladder
5RadionuclideGIodine 131 (I-131)
6QualifierZNone
7QualifierZNone

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for CT63GZZ under the General Equivalence Mappings.

92.03
Approximate match.

Similar Procedure Codes

Questions About CT63GZZ

Is CT63GZZ a billable code?

Yes. CT63GZZ is a complete seven-character ICD-10-PCS code, specific enough to report Nonimaging Nuclear Medicine Assay of Kidneys, Ureters and Bladder using Iodine 131 (I-131) on inpatient claims from October 1, 2025 through September 30, 2026.

What do the characters in CT63GZZ mean?

CT63GZZ breaks down character by character: the 1st character C is the Section (Nuclear Medicine); the 2nd character T is the Body System (Urinary System); the 3rd character 6 is the Type (Nonimaging Nuclear Medicine Assay); the 4th character 3 is the BodyPart (Kidneys, Ureters and Bladder); the 5th character G is the Radionuclide (Iodine 131 (I-131)); the 6th character Z is the Qualifier (None); the 7th character Z is the Qualifier (None).

What is the ICD-9-PCS equivalent of CT63GZZ?

Under the General Equivalence Mappings, Nonimaging Nuclear Medicine Assay of Kidneys, Ureters and Bladder using Iodine 131 (I-131) crosswalks to ICD-9-PCS 92.03. The mapping is approximate, so confirm it fits the documentation.