CW2MFZZTomographic (Tomo) Nuclear Medicine Imaging of Upper Extremity using Iodine 123 (I-123)

  • Billable / Specific Code
ICD-10-PCS CW2MFZZ
CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.FacebookXLinkedInPrint

CW2MFZZ is a billable ICD-10-PCS procedure code for Tomographic (Tomo) Nuclear Medicine Imaging of Upper Extremity using Iodine 123 (I-123). It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026). The root operation Tomographic (Tomo) Nuclear Medicine Imaging involves introduction of radioactive materials into the body for three dimensional display of images developed from the capture of radioactive emissions. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under Tomographic nuclear medicine imaging.

Code Identity

ICD-10-PCS Code
CW2MFZZ
Billable Status
Yes — Valid for Submission
Code Describes
Tomographic (Tomo) Nuclear Medicine Imaging of Upper Extremity using Iodine 123 (I-123)
Short Description
Tomo Nucl Med Imag of Up Extrem using Iodine 123
Parent Code

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
3Type2Tomographic (Tomo) Nuclear Medicine Imaging
4BodyPartMUpper Extremity
5RadionuclideFIodine 123 (I-123)
6QualifierZNone
7QualifierZNone

In the ICD-10-PCS Alphabetic Index

These FY 2026 ICD-10-PCS Alphabetic Index entries lead to CW2MFZZ:

Entry for this code family

Browse the full ICD-10-PCS Alphabetic Index →

Clinical Classification (CCSR)

AHRQ groups CW2MFZZ into these clinical categories.

NCM002
Tomographic nuclear medicine imaging
Clinical domain: Nuclear Medicine

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for CW2MFZZ under the General Equivalence Mappings.

92.19
Approximate match.

Similar Procedure Codes

Questions About CW2MFZZ

Is CW2MFZZ a billable code?

Yes. CW2MFZZ is a complete seven-character ICD-10-PCS code, specific enough to report Tomographic (Tomo) Nuclear Medicine Imaging of Upper Extremity using Iodine 123 (I-123) on inpatient claims from October 1, 2025 through September 30, 2026.

What do the characters in CW2MFZZ mean?

CW2MFZZ 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 2 is the Type (Tomographic (Tomo) Nuclear Medicine Imaging); the 4th character M is the BodyPart (Upper Extremity); the 5th character F is the Radionuclide (Iodine 123 (I-123)); the 6th character Z is the Qualifier (None); the 7th character Z is the Qualifier (None).

What is the ICD-9-PCS equivalent of CW2MFZZ?

Under the General Equivalence Mappings, Tomographic (Tomo) Nuclear Medicine Imaging of Upper Extremity using Iodine 123 (I-123) crosswalks to ICD-9-PCS 92.19. The mapping is approximate, so confirm it fits the documentation.