ICD-10-PCS Billable Code

0X6T0Z2

Detachment Ring Finger, Left to Mid with No Device, Open Approach

Procedural Specifications

Clinical Axis Detail Definition
Section0 Medical and Surgical
Body SystemX Anatomical Regions, Upper Extremities
Operation6 Detachment
Body PartT Ring Finger, Left
Approach0 Open
DeviceZ No Device
Qualifier2 Mid

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

Ring Finger, Left

On the left hand, the ring finger contributes to grip strength and to cupping objects against the palm, working alongside the little finger to stabilize the ulnar side of the hand during power grasp. Detachment is performed when severe trauma, an invasive tumor, or infection has left the digit unsalvageable, or when its blood supply cannot be restored. Because the ring finger's loss is generally better tolerated functionally than loss of the thumb or index finger, surgeons can more often choose the most conservative level that preserves length, though a ray amputation through the metacarpal remains an option when hand contour or symmetry is a priority. Accurate coding depends on identifying whether the procedure occurred at a phalangeal joint, the metacarpophalangeal joint, or through the metacarpal, along with left-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: Mid

Mid qualifies a partial toe detachment as occurring through the middle portion of the digit, between the proximal High level and the distal Low level. It is used when neither a full toe amputation nor a fully complete ray resection applies. Precise selection among High, Mid, and Low affects how much residual digit length is documented.

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.