ICD-10-PCS 2027 procedure code
BL41ZZZUltrasonography of Lower Extremity Connective Tissue
Code unchanged since ICD-10-PCS took effect on October 1, 2015. Source: official FY2027 ICD-10-PCS release from CMS. Page updated September 29, 2026. About our data
About BL41ZZZ
BL41ZZZ is the ICD-10-PCS code for a ultrasonography procedure on the connective tissue, lower extremity using a none approach with none (qualifier: none). In ICD-10-PCS, ultrasonography means real time display of images of anatomy or flow information developed from the capture of reflected and attenuated high frequency sound waves.
In plain terms, this corresponds to other diagnostic ultrasound, the ICD-9-CM procedure title it maps to (88.79).
For a different body part, codes include BL40ZZZ (connective tissue, upper extremity), BL42ZZZ (tendons, upper extremity) and BL43ZZZ (tendons, lower extremity).
It doesn't appear in the MS-DRG procedure index, so on its own it doesn't change the DRG assignment.
It has been valid since ICD-10-PCS took effect on October 1, 2015.
What each character means
- 1. Section
- BImaging
- 2. Body System
- LConnective Tissue
- 3. Type
- 4Ultrasonography
Real time display of images of anatomy or flow information developed from the capture of reflected and attenuated high frequency sound waves
- 4. Body Part
- 1Connective Tissue, Lower Extremity
- 5. Contrast
- ZNone
- 6. Qualifier
- ZNone
- 7. Qualifier
- ZNone
Other versions of this procedure
ICD-9-CM equivalent
Converter →- 88.79Other diagnostic ultrasoundapproximate
From the CMS 2018 General Equivalence Mappings (GEMs), the final GEMs release.
Code history
- 2016
- 2017
- 2018
- 2019
- 2020
- 2021
- 2022
- 2023
- 2024
- 2025
- 2026
- 2027
- FY2016 (effective 10/1/2015): Added (first year of ICD-10-CM)
- No changes since FY2016.
Common questions about BL41ZZZ
Is BL41ZZZ a valid ICD-10-PCS code for 2027?
- Yes. BL41ZZZ is valid for inpatient procedures from October 1, 2026 through September 30, 2027.
What is the ICD-9 procedure code for BL41ZZZ?
- The CMS GEMs map BL41ZZZ to ICD-9-CM 88.79 (Other diagnostic ultrasound).