4A1675ZMonitoring of Lymphatic Flow, Via Natural or Artificial Opening

Measurement and Monitoring›Physiological Systems›Monitoring
  • Billable / Specific Code
ICD-10-PCS 4A1675Z
CMS Source: FY 2027 ICD-10-PCS dataset. Effective Oct 1, 2026 – Sep 30, 2027.FacebookXLinkedInPrint

4A1675Z is a billable ICD-10-PCS procedure code for Monitoring of Lymphatic Flow, Via Natural or Artificial Opening. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027). The root operation Monitoring involves determining the level of a physiological or physical function repetitively over a period of time. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under Measurement and monitoring, NEC.

Code Identity

ICD-10-PCS Code
4A1675Z
Billable Status
Yes — Valid for Submission
Code Describes
Monitoring of Lymphatic Flow, Via Natural or Artificial Opening
Short Description
Monitoring of Lymphatic Flow, Via Opening
Parent Code
4A1

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
1Section4Measurement and Monitoring
2Body SystemAPhysiological Systems
3Operation1Monitoring
4BodySystem6Lymphatic
5Approach7Via Natural or Artificial Opening
6Function/Device5Flow
7QualifierZNo Qualifier

In the ICD-10-PCS Alphabetic Index

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

Monitoring, Lymphatic, Pressure
Leads to this code's table
Monitoring, Lymphatic, Flow, No Qualifier
Leads to this code's table
SPY PINPOINT fluorescence imaging system
Leads to this code's table
Intravascular fluorescence angiography (IFA)
Leads to this code's table
Monitoring, Lymphatic, Flow, Indocyanine Green Dye
Leads to this code's table
SPY system intravascular fluorescence angiography
Leads to this code's table
Testing, Neurophysiologic monitoring, intra-operative
Leads to this code's table
Angiocardiography, SPY system intravascular fluorescence
Leads to this code's table
Assessment, Intravascular perfusion, using indocyanine green (ICG) dye
Leads to this code's table

To code monitoring of the pressure lymphatic, open the FY 2027 ICD-10-PCS Alphabetic Index at Monitoring, then the subterms Lymphatic, Pressure. The index leads to table 4A1, where the approach, Function/Device and qualifier values shown in the breakdown above complete the seven-character code 4A1675Z.

Browse the full ICD-10-PCS Alphabetic Index →

Clinical Classification (CCSR)

AHRQ groups this procedure code into these clinical categories.

MAM015
Measurement and monitoring, NEC
Clinical domain: Measurement and Monitoring

Code History

Replaces previously assigned code(s):
  • 4A1635Z — Monitoring of Lymphatic Flow, Percutaneous Approach
Replaced in the FY 2027 code set by:
  • 4A1675H — Monitoring of Lymphatic Flow using ICG dye, Via Opening

Similar Procedure Codes

Questions About 4A1675Z

Is 4A1675Z a billable code?

Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Monitoring of Lymphatic Flow, Via Natural or Artificial Opening on inpatient claims from October 1, 2026 through September 30, 2027.

What do the characters in 4A1675Z mean?

The code breaks down character by character: the 1st character 4 is the Section (Measurement and Monitoring); the 2nd character A is the Body System (Physiological Systems); the 3rd character 1 is the Operation (Monitoring); the 4th character 6 is the BodySystem (Lymphatic); the 5th character 7 is the Approach (Via Natural or Artificial Opening); the 6th character 5 is the Function/Device (Flow); the 7th character Z is the Qualifier (No Qualifier).