BL33ZZZMagnetic Resonance Imaging (MRI) of Lower Extremity Tendons

  • Billable / Specific Code
ICD-10-PCS BL33ZZZ
CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.FacebookXLinkedInPrint

BL33ZZZ is a billable ICD-10-PCS procedure code for Magnetic Resonance Imaging (MRI) of Lower Extremity Tendons. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026). The root operation Magnetic Resonance Imaging (MRI) involves computer reformatted digital display of multiplanar images developed from the capture of radiofrequency signals emitted by nuclei in a body site excited within a magnetic field.

Code Identity

ICD-10-PCS Code
BL33ZZZ
Billable Status
Yes — Valid for Submission
Code Describes
Magnetic Resonance Imaging (MRI) of Lower Extremity Tendons
Parent Code
Short Description
Magnetic Resonance Imaging (MRI) of Lower Extremity Tendons

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
1SectionBImaging
2Body SystemLConnective Tissue
3Type3Magnetic Resonance Imaging (MRI)
4BodyPart3Tendons, Lower Extremity
5ContrastZNone
6QualifierZNone
7QualifierZNone

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for BL33ZZZ under the General Equivalence Mappings.

88.94
Approximate match.

Similar Procedure Codes

Questions About BL33ZZZ

Is BL33ZZZ a billable code?

Yes. BL33ZZZ is a complete seven-character ICD-10-PCS code, specific enough to report Magnetic Resonance Imaging (MRI) of Lower Extremity Tendons on inpatient claims from October 1, 2025 through September 30, 2026.

What do the characters in BL33ZZZ mean?

BL33ZZZ breaks down character by character: the 1st character B is the Section (Imaging); the 2nd character L is the Body System (Connective Tissue); the 3rd character 3 is the Type (Magnetic Resonance Imaging (MRI)); the 4th character 3 is the BodyPart (Tendons, Lower Extremity); the 5th character Z is the Contrast (None); the 6th character Z is the Qualifier (None); the 7th character Z is the Qualifier (None).

What is the ICD-9-PCS equivalent of BL33ZZZ?

Under the General Equivalence Mappings, Magnetic Resonance Imaging (MRI) of Lower Extremity Tendons crosswalks to ICD-9-PCS 88.94. The mapping is approximate, so confirm it fits the documentation.