CG4YYZZNonimaging Nuclear Medicine Uptake of Endocrine System using Other Radionuclide

  • Billable / Specific Code
ICD-10-PCS CG4YYZZ
CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.FacebookXLinkedInPrint

CG4YYZZ is a billable ICD-10-PCS procedure code for Nonimaging Nuclear Medicine Uptake of Endocrine System using Other Radionuclide. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026). The root operation Nonimaging Nuclear Medicine Uptake involves introduction of radioactive materials into the body for measurements of organ function, from the detection of radioactive emissions.

Code Identity

ICD-10-PCS Code
CG4YYZZ
Billable Status
Yes — Valid for Submission
Code Describes
Nonimaging Nuclear Medicine Uptake of Endocrine System using Other Radionuclide
Parent Code
CG4 Nuclear Medicine, Endocrine System, Nonimaging Nuclear Medicine Uptake
Short Description
Nonimag Nucl Med Uptake Endocrine Sys w Oth Radionuclide

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 SystemGEndocrine System
3Type4Nonimaging Nuclear Medicine Uptake
4BodyPartYEndocrine System
5RadionuclideYOther Radionuclide
6QualifierZNone
7QualifierZNone

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for CG4YYZZ under the General Equivalence Mappings.

92.09
Approximate match.

Similar Procedure Codes

Questions About CG4YYZZ

Is CG4YYZZ a billable code?

Yes. CG4YYZZ is a complete seven-character ICD-10-PCS code, specific enough to report Nonimaging Nuclear Medicine Uptake of Endocrine System using Other Radionuclide on inpatient claims from October 1, 2025 through September 30, 2026.

What do the characters in CG4YYZZ mean?

CG4YYZZ breaks down character by character: the 1st character C is the Section (Nuclear Medicine); the 2nd character G is the Body System (Endocrine System); the 3rd character 4 is the Type (Nonimaging Nuclear Medicine Uptake); the 4th character Y is the BodyPart (Endocrine System); the 5th character Y is the Radionuclide (Other Radionuclide); the 6th character Z is the Qualifier (None); the 7th character Z is the Qualifier (None).

What is the ICD-9-PCS equivalent of CG4YYZZ?

Under the General Equivalence Mappings, Nonimaging Nuclear Medicine Uptake of Endocrine System using Other Radionuclide crosswalks to ICD-9-PCS 92.09. The mapping is approximate, so confirm it fits the documentation.