B5171ZAFluoroscopy of Left Subclavian Vein using Low Osmolar Contrast, Guidance

  • Billable / Specific Code
ICD-10-PCS B5171ZA
CMS Source: FY 2027 ICD-10-PCS dataset. Effective Oct 1, 2026 – Sep 30, 2027.FacebookXLinkedInPrint

B5171ZA is a billable ICD-10-PCS procedure code for Fluoroscopy of Left Subclavian Vein using Low Osmolar Contrast, Guidance. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027). The root operation Fluoroscopy involves single plane or bi-plane real time display of an image developed from the capture of external ionizing radiation on a fluorescent screen. The image may also be stored by either digital or analog means. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under Fluoroscopic angiography (excluding coronary).

Code Identity

ICD-10-PCS Code
B5171ZA
Billable Status
Yes — Valid for Submission
Code Describes
Fluoroscopy of Left Subclavian Vein using Low Osmolar Contrast, Guidance
Short Description
Fluoroscopy of L Subclav Vein using L Osm Contrast, Guidance
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
1SectionBImaging
2Body System5Veins
3Type1Fluoroscopy
4BodyPart7Subclavian Vein, Left
5Contrast1Low Osmolar
6QualifierZNone
7QualifierAGuidance

In the ICD-10-PCS Alphabetic Index

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

Fluoroscopy, Vein, Subclavian, Left
Leads to this code's table
Guidance, catheter placement, Fluoroscopy
Leads to this code's table

To code fluoroscopy of the left subclavian vein, open the FY 2027 ICD-10-PCS Alphabetic Index at Fluoroscopy, then the subterms Vein, Subclavian, Left. The index leads to table B51, where the contrast, qualifier and qualifier values shown in the breakdown above complete the seven-character code B5171ZA.

Browse the full ICD-10-PCS Alphabetic Index →

Clinical Classification (CCSR)

AHRQ groups this procedure code into these clinical categories.

IMG002
Fluoroscopic angiography (excluding coronary)
Clinical domain: Imaging

Convert to ICD-9-PCS

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

88.63
Phlebography of other intrathoracic veins using contrast material
Approximate match.

Similar Procedure Codes

Questions About B5171ZA

Is B5171ZA a billable code?

Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Fluoroscopy of Left Subclavian Vein using Low Osmolar Contrast, Guidance on inpatient claims from October 1, 2026 through September 30, 2027.

What do the characters in B5171ZA mean?

The code breaks down character by character: the 1st character B is the Section (Imaging); the 2nd character 5 is the Body System (Veins); the 3rd character 1 is the Type (Fluoroscopy); the 4th character 7 is the BodyPart (Subclavian Vein, Left); the 5th character 1 is the Contrast (Low Osmolar); the 6th character Z is the Qualifier (None); the 7th character A is the Qualifier (Guidance).

What is the ICD-9-PCS equivalent of B5171ZA?

Under the General Equivalence Mappings, Fluoroscopy of Left Subclavian Vein using Low Osmolar Contrast, Guidance crosswalks to ICD-9-PCS 88.63 (Phlebography of other intrathoracic veins using contrast material). The mapping is approximate, so confirm it fits the documentation.