2025 ICD-10-CM Procedure Code 079930Z

Drainage of Left Internal Mammary Lymphatic with Drainage Device, Percutaneous Approach

ICD-10-PCS Code:: 079930Z
ICD-10-PCS Code for:: Drainage of Int Mamm, L Lymph with Drain Dev, Perc Approach
Is Billable?: Yes - Valid for Submission
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079930Z is a billable procedure code used to specify the performance of drainage of left internal mammary lymphatic with drainage device, percutaneous approach. The code is valid for the year 2025 for the submission of HIPAA-covered transactions. The procedure code involves taking or letting out fluids and/or gases from a body part. Procedure code explanation: the qualifier diagnostic is used to identify drainage procedures that are biopsies thoracentesis, incision and drainage

Table of Contents

Code Information
PCS Table
Clinical Classification
Convert to ICD-9-PCS
Other Similar Codes

079930Z PCS Table

In an PCS table each code is represented by up seven alphanumeric characters, with each character in the table respresenting different aspects of the procedure. In the table provided below, each row represents an individual character and includes information about the character's position, designation, label, and procedure notes. For this PCS table the procedure code is in the medical and surgical section and is part of the lymphatic and hemic systems body system, classified under drainage operation. The applicable bodypart for this procedure code is lymphatic, internal mammary, left.

Position	Designation	Character	Label	Procedures Notes
1	Section	0	Medical and Surgical
2	Body System	7	Lymphatic and Hemic Systems
3	Operation	9	Drainage	Involves: Taking or letting out fluids and/or gases from a body part Explanation: The qualifier DIAGNOSTIC is used to identify drainage procedures that are biopsies Includes: Thoracentesis, incision and drainage
4	BodyPart	9	Lymphatic, Internal Mammary, Left
5	Approach	3	Percutaneous	Involves: Entry, by puncture or minor incision, of instrumentation through the skin or mucous membrane and any other body layers necessary to reach the site of the procedure
6	Device	0	Drainage Device	Includes: Cystostomy tube Foley catheter Percutaneous nephrostomy catheter Thoracostomy tube
7	Qualifier	Z	No Qualifier	Explanation: The value Z is used for the seventh character to indicate that a specific qualifier does not apply to the procedure.

Clinical Classification

Lymphatic procedures, NEC

CCSR Code: LYM011

Clinical Domain: Lymphatic and Hemic System Procedures LYM contains 11 categories that include procedures performed on the lymphatic and hemic system, such as bone marrow biopsy, lymph node biopsy, lymph node dissection, and splenectomy.

Convert to ICD-9-PCS

Below are the ICD-9=PCS code(s) that most closely match this ICD-10-PCS code, based on the General Equivalence Mappings (GEMs). This ICD-10-PCS to ICD-9-PCS crosswalk tool is helpful for coders who need to reference legacy diagnosis codes for audits, historical claims, or approximate code comparisons.

ICD-9-PCS Code

Code: 9999

Approximate Flag: This is an approximate match. The ICD-9-PCS code reflects a close but not exact equivalent of the ICD-10-PCS procedure.

Other ICD-10-PCS Codes Used for Drainage Lymphatic, Internal Mammary, Left

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What is ICD-10-PCS?

The ICD-10 Procedure Coding System (ICD-10-PCS) is a catalog of procedural codes used by medical professionals for hospital inpatient healthcare settings. The Centers for Medicare and Medicaid Services (CMS) maintain the catalog in the U.S. releasing yearly updates. The 2025 ICD-10-PCS codes are to be used for discharges occurring from October 1, 2024 through September 30, 2025.

Each ICD-10-PCS code has a structure of seven alphanumeric characters and contains no decimals. The first character defines the major "section". Depending on the "section" the second through seventh characters mean different things.