07998ZXDrainage of Left Internal Mammary Lymphatic, Via Natural or Artificial Opening Endoscopic Approach, Diagnostic

Medical and Surgical›Lymphatic and Hemic Systems›Drainage
  • Billable / Specific Code
ICD-10-PCS 07998ZX
CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.FacebookXLinkedInPrint

07998ZX is a billable ICD-10-PCS procedure code for Drainage of Left Internal Mammary Lymphatic, Via Natural or Artificial Opening Endoscopic Approach, Diagnostic. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026). The root operation Drainage involves taking or letting out fluids and/or gases from a body part. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under Lymph node biopsy.

Code Identity

ICD-10-PCS Code
07998ZX
Billable Status
Yes — Valid for Submission
Code Describes
Drainage of Left Internal Mammary Lymphatic, Via Natural or Artificial Opening Endoscopic Approach, Diagnostic
Short Description
Drainage of Int Mamm, L Lymph, Endo Approach, Diagn
Parent Code
079

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
1Section0Medical and Surgical
2Body System7Lymphatic and Hemic Systems
3Operation9Drainage
4BodyPart9Lymphatic, Internal Mammary, Left
5Approach8Via Natural or Artificial Opening Endoscopic
6DeviceZNo Device
7QualifierXDiagnostic

In the ICD-10-PCS Alphabetic Index

These FY 2026 ICD-10-PCS Alphabetic Index entries lead to this code:

Biopsy
Anatomy or device term that leads here
Splenotomy
Leads to this code's table
Lymphadenotomy
Leads to this code's table
Lymphangiotomy
Leads to this code's table
Core needle biopsy
Anatomy or device term that leads here
Drainage, Lymphatic, Internal Mammary, Left
Leads to this code's table

Browse the full ICD-10-PCS Alphabetic Index →

Clinical Classification (CCSR)

AHRQ groups this procedure code into these clinical categories.

LYM001
Lymph node biopsy
Clinical domain: Lymphatic and Hemic System Procedures

Code History

Replaces previously assigned code(s):
  • 07994ZX — Drainage of Int Mamm, L Lymph, Perc Endo Approach, Diagn

Similar Procedure Codes

Questions About 07998ZX

Is 07998ZX a billable code?

Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Drainage of Left Internal Mammary Lymphatic, Via Natural or Artificial Opening Endoscopic Approach, Diagnostic on inpatient claims from October 1, 2025 through September 30, 2026.

What do the characters in 07998ZX mean?

The code breaks down character by character: the 1st character 0 is the Section (Medical and Surgical); the 2nd character 7 is the Body System (Lymphatic and Hemic Systems); the 3rd character 9 is the Operation (Drainage); the 4th character 9 is the BodyPart (Lymphatic, Internal Mammary, Left); the 5th character 8 is the Approach (Via Natural or Artificial Opening Endoscopic); the 6th character Z is the Device (No Device); the 7th character X is the Qualifier (Diagnostic).