ICD-10-PCS Tabular Index · Section C · FY 2027 CT6

CT6 Nonimaging Nuclear Medicine Assay - Urinary System ICD-10-PCS

The CT6 code range contains 7 ICD-10-PCS codes for Nonimaging Nuclear Medicine Assay procedures on the urinary system. 6 of the codes are billable and valid for inpatient claim submission in fiscal year 2027.

✓ Built from the official CMS FY 2027 datasetEffective Oct 1, 2026 – Sep 30, 2027
7
Procedure Codes
6
Billable Codes
CT6
Characters 1–3
CT
Parent Body System

Root Operation Definition

Nonimaging Nuclear Medicine Assay: Introduction of radioactive materials into the body for the study of body fluids and blood elements, by the detection of radioactive emissions.

ICD-10-PCS

Codes in the CT6 Range 7 codes · 6 billable

7 of 7 shown
  • CT6 Nuclear Medicine, Urinary System, Nonimaging Nuclear Medicine AssayNon-billable header
  • CT631ZZ Nonimaging Nuclear Medicine Assay of Kidneys, Ureters and Bladder using Technetium 99m (Tc-99m)
  • CT63FZZ Nonimaging Nuclear Medicine Assay of Kidneys, Ureters and Bladder using Iodine 123 (I-123)
  • CT63GZZ Nonimaging Nuclear Medicine Assay of Kidneys, Ureters and Bladder using Iodine 131 (I-131)
  • CT63HZZ Nonimaging Nuclear Medicine Assay of Kidneys, Ureters and Bladder using Iodine 125 (I-125)
  • CT63YZZ Nonimaging Nuclear Medicine Assay of Kidneys, Ureters and Bladder using Other Radionuclide
  • CT6YYZZ Nonimaging Nuclear Medicine Assay of Urinary System using Other Radionuclide

About the CT6 Code Range

These nonimaging procedures introduce radioactive material into the body and detect its emissions to study body fluids and blood elements in the urinary system.

The fourth character identifies Kidneys, Ureters and Bladder or Urinary System. The fifth identifies the radioactive material: Technetium 99m (Tc-99m), Iodine 123 (I-123), Iodine 131 (I-131), Iodine 125 (I-125), or Other Radionuclide. The sixth and seventh characters both have the qualifier None.

Questions About This Page

How many billable codes are in the CT6 range?

Of the 7 codes in this range, 6 are billable and valid for inpatient claim submission from October 1, 2026 through September 30, 2027. Table header codes group them but cannot be reported on claims.

What does the CT6 range classify?

The range classifies Nonimaging Nuclear Medicine Assay procedures, introduction of radioactive materials into the body for the study of body fluids and blood elements, by the detection of radioactive emissions, performed on the urinary system. Each code adds the body part, approach, device, and qualifier in characters four through seven, and links to its own reference page.

Related References

Source: CMS FY 2027 ICD-10-PCS order file and code tables, effective October 1, 2026 through September 30, 2027.