CW5B1ZZNonimaging Nuclear Medicine Probe of Head and Neck using Technetium 99m (Tc-99m)

  • Billable / Specific Code
ICD-10-PCS CW5B1ZZ
CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.FacebookXLinkedInPrint

CW5B1ZZ is a billable ICD-10-PCS procedure code for Nonimaging Nuclear Medicine Probe of Head and Neck 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 Probe involves introduction of radioactive materials into the body for the study of distribution and fate of certain substances by the detection of radioactive emissions; or, alternatively, measurement of absorption of radioactive emissions from an external source.

Code Identity

ICD-10-PCS Code
CW5B1ZZ
Billable Status
Yes — Valid for Submission
Code Describes
Nonimaging Nuclear Medicine Probe of Head and Neck using Technetium 99m (Tc-99m)
Parent Code
Short Description
Nonimag Nucl Med Prob of Head & Neck using Technetium 99m

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 SystemWAnatomical Regions
3Type5Nonimaging Nuclear Medicine Probe
4BodyPartBHead and Neck
5Radionuclide1Technetium 99m (Tc-99m)
6QualifierZNone
7QualifierZNone

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for CW5B1ZZ under the General Equivalence Mappings.

92.09
Approximate match.

Similar Procedure Codes

Questions About CW5B1ZZ

Is CW5B1ZZ a billable code?

Yes. CW5B1ZZ is a complete seven-character ICD-10-PCS code, specific enough to report Nonimaging Nuclear Medicine Probe of Head and Neck using Technetium 99m (Tc-99m) on inpatient claims from October 1, 2025 through September 30, 2026.

What do the characters in CW5B1ZZ mean?

CW5B1ZZ breaks down character by character: the 1st character C is the Section (Nuclear Medicine); the 2nd character W is the Body System (Anatomical Regions); the 3rd character 5 is the Type (Nonimaging Nuclear Medicine Probe); the 4th character B is the BodyPart (Head and Neck); 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 CW5B1ZZ?

Under the General Equivalence Mappings, Nonimaging Nuclear Medicine Probe of Head and Neck using Technetium 99m (Tc-99m) crosswalks to ICD-9-PCS 92.09. The mapping is approximate, so confirm it fits the documentation.