CT631ZZNonimaging Nuclear Medicine Assay of Kidneys, Ureters and Bladder using Technetium 99m (Tc-99m)
- Billable / Specific Code
CT631ZZ is a billable ICD-10-PCS procedure code for Nonimaging Nuclear Medicine Assay of Kidneys, Ureters and Bladder using Technetium 99m (Tc-99m). 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
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.
| Position | Designation | Value | Meaning |
|---|---|---|---|
| 1 | Section | C | Nuclear Medicine |
| 2 | Body System | T | Urinary System |
| 3 | Type | 6 | Nonimaging Nuclear Medicine Assay |
| 4 | BodyPart | 3 | Kidneys, Ureters and Bladder |
| 5 | Radionuclide | 1 | Technetium 99m (Tc-99m) |
| 6 | Qualifier | Z | None |
| 7 | Qualifier | Z | None |
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for CT631ZZ under the General Equivalence Mappings.
Similar Procedure Codes
Questions About CT631ZZ
Is CT631ZZ a billable code?
Yes. CT631ZZ is a complete seven-character ICD-10-PCS code, specific enough to report Nonimaging Nuclear Medicine Assay of Kidneys, Ureters and Bladder using Technetium 99m (Tc-99m) on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in CT631ZZ mean?
CT631ZZ 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 1 is the Radionuclide (Technetium 99m (Tc-99m)); the 6th character Z is the Qualifier (None); the 7th character Z is the Qualifier (None).
What is the ICD-9-PCS equivalent of CT631ZZ?
Under the General Equivalence Mappings, Nonimaging Nuclear Medicine Assay of Kidneys, Ureters and Bladder using Technetium 99m (Tc-99m) crosswalks to ICD-9-PCS 92.03. The mapping is approximate, so confirm it fits the documentation.
