ICD-10-PCS Billable Code

0X600ZZ

Detachment Forequarter, Right to No Qualifier with No Device, Open Approach

Procedural Specifications

Clinical Axis Detail Definition
Section0 Medical and Surgical
Body SystemX Anatomical Regions, Upper Extremities
Operation6 Detachment
Body Part0 Forequarter, Right
Approach0 Open
DeviceZ No Device
QualifierZ No Qualifier

Operation Definition

Cutting off all or a portion of the upper or lower extremities

Procedure Overview

Detachment procedures in this family involve amputation of all or part of the upper extremity at a level not captured by the more specific arm, forearm, or hand body system codes, cutting through the limb to remove a portion of it. Reasons for these operations include severe trauma, infection that has not responded to other treatment, tumors, or complications of vascular disease that leave the tissue non-viable.

The surgery is performed at a defined anatomical level, and the choice of that level balances removing all compromised tissue against preserving as much functional limb length as possible for future prosthetic fitting and rehabilitation.

Anatomy & Axis Detail

Forequarter, Right

Forequarter amputation removes the entire upper extremity along with the scapula and clavicle, disarticulating the shoulder girdle from the thoracic wall rather than separating through a joint distal to it. This radical procedure is reserved for extensive malignancies of the shoulder girdle or proximal humerus, severe crush or avulsion trauma with brachial plexus destruction, or overwhelming infection that cannot be controlled by a lesser amputation level. Because the scapula and clavicle are removed along with the limb, the chest wall musculature must be reconstructed to close the defect, and major vessels and the entire brachial plexus are transected at their origin. Coding at this level distinguishes the procedure from a shoulder disarticulation, which preserves the scapula and clavicle, and reflects the greater physiologic and functional impact on the right side.

Approach: Open

Open approach means the surgeon cuts through skin, mucous membrane, or other tissue layers to physically expose the target site to view before performing the procedure. It gives direct visualization and hands-on access, distinguishing it from Percutaneous approaches where instruments pass through a small puncture without exposing the site. Open is typical for procedures needing wide access, such as most laparotomies.

Coding & Documentation

Coders select from this family when the documentation specifies detachment at the shoulder or another level classified under the general upper extremity body system rather than a level with its own dedicated body part, such as the specific bones of the forearm or hand. The amputation level recorded in the operative note is essential, since it determines both the correct body part value and the qualifier describing the level of detachment, and miscoding often happens when the level documented doesn't match the code selected. Revision of a prior amputation stump is also coded here when tissue is further removed, and should not be mistaken for a routine wound debridement.

Commonly Confused With

Excision is sometimes confused with Detachment when only a small amount of tissue is removed from the extremity, but Detachment specifically applies to cutting through the limb itself rather than just removing a lesion or damaged tissue while preserving the limb's structure. Amputation coded to the arm or hand-specific body systems is the other close neighbor, distinguished purely by the anatomical level at which the cut is made.