2025 ICD-10-CM Procedure Code 0SGG44Z

Fusion of Left Ankle Joint with Internal Fixation Device, Percutaneous Endoscopic Approach

ICD-10-PCS Code:: 0SGG44Z
ICD-10-PCS Code for:: Fusion of Left Ankle Joint with Int Fix, Perc Endo Approach
Is Billable?: Yes - Valid for Submission
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0SGG44Z is a billable procedure code used to specify the performance of fusion of left ankle joint with internal fixation device, percutaneous endoscopic approach. The code is valid for the year 2025 for the submission of HIPAA-covered transactions. The procedure code involves joining together portions of an articular body part rendering the articular body part immobile. Procedure code explanation: the body part is joined together by fixation device, bone graft, or other means spinal fusion, ankle arthrodesis

Table of Contents

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

0SGG44Z 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 lower joints body system, classified under fusion operation. The applicable bodypart for this procedure code is ankle joint, left.

Position	Designation	Character	Label	Procedures Notes
1	Section	0	Medical and Surgical
2	Body System	S	Lower Joints
3	Operation	G	Fusion	Involves: Joining together portions of an articular body part rendering the articular body part immobile Explanation: The body part is joined together by fixation device, bone graft, or other means Includes: Spinal fusion, ankle arthrodesis
4	BodyPart	G	Ankle Joint, Left	Includes: Inferior tibiofibular joint Talocrural joint
5	Approach	4	Percutaneous Endoscopic	Involves: Entry, by puncture or minor incision, of instrumentation through the skin or mucous membrane and any other body layers necessary to reach and visualize the site of the procedure
6	Device	4	Internal Fixation Device
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.

Replaced Code

0SGG44Z was replaced in the 2025 ICD-10-PCS code set with the code(s):

0SGG43Z - Fusion L Ankle Jt w Int Fix Sustn Comprs, Perc Endo
0SGG43Z - Fusion L Ankle Jt w Int Fix Sustn Comprs, Perc Endo
0SGG43Z - Fusion L Ankle Jt w Int Fix Sustn Comprs, Perc Endo
0SGG43Z - Fusion L Ankle Jt w Int Fix Sustn Comprs, Perc Endo
0SGG43Z - Fusion L Ankle Jt w Int Fix Sustn Comprs, Perc Endo

Clinical Classification

Clinical Category is Joint fusion (excluding spine)
CCSR Category Code: MST014
Clinical Domain is Musculoskeletal, Subcutaneous Tissue, and Fascia Procedures - MST contains 30 categories that include procedures performed on the musculoskeletal, subcutaneous tissue, and fascia. Examples include hip arthroplasty, knee arthroplasty, spine fusion, and toe and midfoot amputation.

0SGG44Z 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 0SGG44Z 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
492	Lower Extremity and Humerus Procedures Except Hip, Foot and Femur with MCC	08
493	Lower Extremity and Humerus Procedures Except Hip, Foot and Femur with CC	08
494	Lower Extremity and Humerus Procedures Except Hip, Foot and Femur without CC/MCC	08
628	Other Endocrine, Nutritional and Metabolic O.R. Procedures with MCC	10
629	Other Endocrine, Nutritional and Metabolic O.R. Procedures with CC	10
630	Other Endocrine, Nutritional and Metabolic O.R. Procedures without CC/MCC	10
907	Other O.R. Procedures for Injuries with MCC	21
908	Other O.R. Procedures for Injuries with CC	21
909	Other O.R. Procedures for Injuries without CC/MCC	21
957	Other O.R. Procedures for Multiple Significant Trauma with MCC	24
958	Other O.R. Procedures for Multiple Significant Trauma with CC	24
959	Other O.R. Procedures for Multiple Significant Trauma without CC/MCC	24

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: 8111 (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 Fusion Ankle Joint, Left

Filter related codes list:

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.