CB129ZZPlanar Nuclear Medicine Imaging of Lungs and Bronchi using Krypton (Kr-81m)

  • Billable / Specific Code
ICD-10-PCS CB129ZZ
CMS Source: FY 2027 ICD-10-PCS dataset. Effective Oct 1, 2026 – Sep 30, 2027.FacebookXLinkedInPrint

CB129ZZ is a billable ICD-10-PCS procedure code for Planar Nuclear Medicine Imaging of Lungs and Bronchi using Krypton (Kr-81m). It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027). The root operation Planar Nuclear Medicine Imaging involves introduction of radioactive materials into the body for single plane display of images developed from the capture of radioactive emissions. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under Planar nuclear medicine imaging.

Code Identity

ICD-10-PCS Code
CB129ZZ
Billable Status
Yes — Valid for Submission
Code Describes
Planar Nuclear Medicine Imaging of Lungs and Bronchi using Krypton (Kr-81m)
Short Description
Planar Nucl Med Imag of Lungs & Bronchi using Krypton
Parent Code
CB1 Nuclear Medicine, Respiratory System, Planar Nuclear Medicine Imaging

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 SystemBRespiratory System
3Type1Planar Nuclear Medicine Imaging
4BodyPart2Lungs and Bronchi
5Radionuclide9Krypton (Kr-81m)
6QualifierZNone
7QualifierZNone

In the ICD-10-PCS Alphabetic Index

These FY 2027 ICD-10-PCS Alphabetic Index entries lead to this code:

Scan, Radioisotope
Leads to this code's table
Leads to this code's table
Leads to this code's table

To code scan of the radioisotope, open the FY 2027 ICD-10-PCS Alphabetic Index at Scan, then the subterm Radioisotope. The index leads to table CB1, where the radionuclide, qualifier and qualifier values shown in the breakdown above complete the seven-character code CB129ZZ.

Browse the full ICD-10-PCS Alphabetic Index →

Clinical Classification (CCSR)

AHRQ groups this procedure code into these clinical categories.

NCM001
Planar nuclear medicine imaging
Clinical domain: Nuclear Medicine

Convert to ICD-9-PCS

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

92.15
Pulmonary scan
Approximate match.

Similar Procedure Codes

Questions About CB129ZZ

Is CB129ZZ a billable code?

Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Planar Nuclear Medicine Imaging of Lungs and Bronchi using Krypton (Kr-81m) on inpatient claims from October 1, 2026 through September 30, 2027.

What do the characters in CB129ZZ mean?

The code breaks down character by character: the 1st character C is the Section (Nuclear Medicine); the 2nd character B is the Body System (Respiratory System); the 3rd character 1 is the Type (Planar Nuclear Medicine Imaging); the 4th character 2 is the BodyPart (Lungs and Bronchi); the 5th character 9 is the Radionuclide (Krypton (Kr-81m)); the 6th character Z is the Qualifier (None); the 7th character Z is the Qualifier (None).

What is the ICD-9-PCS equivalent of CB129ZZ?

Under the General Equivalence Mappings, Planar Nuclear Medicine Imaging of Lungs and Bronchi using Krypton (Kr-81m) crosswalks to ICD-9-PCS 92.15 (Pulmonary scan). The mapping is approximate, so confirm it fits the documentation.