CW56DZZNonimaging Nuclear Medicine Probe of Chest and Neck using Indium 111 (In-111)

Nuclear Medicine›Anatomical Regions›Nonimaging Nuclear Medicine Probe

Billable / Specific Code

ICD-10-PCS CW56DZZ

CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.

CW56DZZ is a billable ICD-10-PCS procedure code for Nonimaging Nuclear Medicine Probe of Chest and Neck using Indium 111 (In-111). 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

CW56DZZ

Billable Status

Yes — Valid for Submission

Code Describes

Nonimaging Nuclear Medicine Probe of Chest and Neck using Indium 111 (In-111)

Parent Code

CW5

Short Description

Nonimag Nucl Med Prob of Chest & Neck using Indium 111

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	W	Anatomical Regions
3	Type	5	Nonimaging Nuclear Medicine Probe
4	BodyPart	6	Chest and Neck
5	Radionuclide	D	Indium 111 (In-111)
6	Qualifier	Z	None
7	Qualifier	Z	None

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for CW56DZZ under the General Equivalence Mappings.

92.09

Approximate match.

Similar Procedure Codes

Questions About CW56DZZ

Is CW56DZZ a billable code?

Yes. CW56DZZ is a complete seven-character ICD-10-PCS code, specific enough to report Nonimaging Nuclear Medicine Probe of Chest and Neck using Indium 111 (In-111) on inpatient claims from October 1, 2025 through September 30, 2026.

What do the characters in CW56DZZ mean?

CW56DZZ 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 6 is the BodyPart (Chest and Neck); the 5th character D is the Radionuclide (Indium 111 (In-111)); the 6th character Z is the Qualifier (None); the 7th character Z is the Qualifier (None).

What is the ICD-9-PCS equivalent of CW56DZZ?

Under the General Equivalence Mappings, Nonimaging Nuclear Medicine Probe of Chest and Neck using Indium 111 (In-111) crosswalks to ICD-9-PCS 92.09. The mapping is approximate, so confirm it fits the documentation.