2025 ICD-10-CM Procedure Code 07WK00Z

Revision of Drainage Device in Thoracic Duct, Open Approach

ICD-10-PCS Code:: 07WK00Z
ICD-10-PCS Code for:: Revision of Drainage Device in Thoracic Duct, Open Approach
Is Billable?: Yes - Valid for Submission
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07WK00Z is a billable procedure code used to specify the performance of revision of drainage device in thoracic duct, open approach. The code is valid for the year 2025 for the submission of HIPAA-covered transactions. The procedure code involves correcting, to the extent possible, a portion of a malfunctioning device or the position of a displaced device. Procedure code explanation: revision can include correcting a malfunctioning or displaced device by taking out or putting in components of the device such as a screw or pin adjustment of position of pacemaker lead, recementing of hip prosthesis

Table of Contents

Code Information
PCS Table
Clinical Classification
Diagnostic Related Groups Mapping
Convert to ICD-9-PCS
Other Similar Codes

07WK00Z 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 revision operation. The applicable bodypart for this procedure code is thoracic duct.

Position	Designation	Character	Label	Procedures Notes
1	Section	0	Medical and Surgical
2	Body System	7	Lymphatic and Hemic Systems
3	Operation	W	Revision	Involves: Correcting, to the extent possible, a portion of a malfunctioning device or the position of a displaced device Explanation: Revision can include correcting a malfunctioning or displaced device by taking out or putting in components of the device such as a screw or pin Includes: Adjustment of position of pacemaker lead, recementing of hip prosthesis
4	BodyPart	K	Thoracic Duct	Includes: Left jugular trunk Left subclavian trunk
5	Approach	0	Open	Involves: Cutting through the skin or mucous membrane and any other body layers necessary to expose 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

Clinical Category is Lymphatic procedures, NEC
CCSR Category Code: LYM011
Clinical Domain is 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.

07WK00Z is grouped with Diagnostic Related Groups - MS-DRG Mapping

Diagnostic Related Groups (DRGs) are a classification system used to group together procedures for the purpose of reimbursement and healthcare management. DRGs are used to standardize the way hospitals and other providers are paid for inpatient services. In this system patients are grouped together based on the primary procedure being performed. Once a patient is assigned a particular group, providers receive a predetermined payment rate for the services rendered. This reimbursement rate is often fixed and is meant to cover the cost of care associated with a particular procedure. Reimbursement is also affected by the relative weight of a diagnostic related group based on the severity of a patient's illness and the associated cost of care during hospitalization.

Diagnostic related groups encourage healthcare providers to focus on quality and efficiency in patient care while managing costs effectively. The procedure code 07WK00Z is present in the following groups for version MS-DRG V42.0 applicable from 10/01/2024 through 09/30/2025.

MS-DRG	MS-DRG Title	MCD
163	Major Chest Procedures with MCC	04
164	Major Chest Procedures with CC	04
165	Major Chest Procedures without CC/MCC	04

Convert to ICD-9-PCS

The following crosswalk between ICD-10-PCS to ICD-9-PCS is based based on the General Equivalence Mappings (GEMS) information:

ICD-9-PCS: 4069 (Approximate Flag) Approximate Flag
The approximate flag is on, indicating that the relationship between the code in the source system and the code in the target system is an approximate equivalent.

Other ICD-10-PCS Codes Used for Revision Thoracic Duct

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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.