ICD-10-PCS Billable Code

0X6V0Z0

Detachment Little Finger, Right to Complete with No Device, Open Approach

Procedural Specifications

Clinical Axis Detail Definition
Section0 Medical and Surgical
Body SystemX Anatomical Regions, Upper Extremities
Operation6 Detachment
Body PartV Little Finger, Right
Approach0 Open
DeviceZ No Device
Qualifier0 Complete

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

Little Finger, Right

The right little finger, positioned at the ulnar border of the hand, plays a supporting role in grip strength and in cupping the palm around larger objects, and its relative independence from the other digits means its loss is usually the best tolerated of any finger amputation. Detachment is indicated for unsalvageable trauma, tumor, or infection, or for vascular compromise that leaves the digit nonviable. Because it sits at the hand's outer edge, a simple disarticulation is often sufficient without significantly narrowing the hand, though a ray resection through the fifth metacarpal may still be performed if the border contour needs to be smoothed for prosthetic or cosmetic reasons. Coding requires specifying the transection level - phalangeal, metacarpophalangeal, or metacarpal - and right-side laterality.

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.

Qualifier: Complete

Complete qualifies a detachment procedure, typically at the foot, as removing the full targeted structure without specifying an individual ray. It is distinguished from the ray-specific qualifiers like Complete 1st Ray through Complete 5th Ray, which indicate a full amputation limited to one metatarsal ray rather than the whole foot. Selection depends on the actual extent of tissue removed during surgery.

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.