ICD-10-PCS Billable Code

0SH538Z

Insertion Sacrococcygeal Joint to No Qualifier with Spacer, Percutaneous Approach

Procedural Specifications

Clinical Axis Detail Definition
Section0 Medical and Surgical
Body SystemS Lower Joints
OperationH Insertion
Body Part5 Sacrococcygeal Joint
Approach3 Percutaneous
Device8 Spacer
QualifierZ No Qualifier

Operation Definition

Putting in a nonbiological appliance that monitors, assists, performs, or prevents a physiological function but does not physically take the place of a body part

Procedure Overview

This family covers procedures that place a nonbiological device into a joint of the lower body - the lumbar, sacral, or coccygeal spine, hip, knee, ankle, or a joint of the foot - without removing or replacing any of the joint's own anatomy. The device stays behind to support, stabilize, or monitor the joint rather than to act as a substitute for bone or cartilage that has been taken out. Examples include interspinous process spacers placed between vertebrae to relieve nerve compression, internal fixation hardware such as screws or pins used to stabilize a joint after injury, and leads for neurostimulators placed near a joint to manage chronic pain.

Patients typically undergo these procedures for spinal stenosis, joint instability following trauma, or chronic pain that has not responded to conservative treatment. Because the device is added to existing anatomy rather than replacing it, recovery generally focuses on protecting the joint while it adapts to the new hardware.

Anatomy & Axis Detail

Sacrococcygeal Joint

The sacrococcygeal joint is the small, often partially fibrous articulation between the base of the sacrum and the coccyx, a junction that allows slight movement during activities such as sitting and childbirth. Insertion procedures at this joint are uncommon and are generally undertaken to place stabilizing hardware or therapeutic material in cases of chronic coccygeal instability or pain that has not responded to conservative measures, without removing or permanently fusing the joint. Because the sacrococcygeal region sits at the caudal end of the spine near sensitive perianal tissue, careful technique is required to avoid nearby structures. This joint should be documented separately from the more proximal sacroiliac or lumbosacral joints, as it represents a distinct and anatomically separate articulation.

Approach: Percutaneous

Percutaneous describes entry by needle or instrument puncture through the skin or mucous membrane to reach the site of the procedure, without cutting the tissue open or using a visualizing scope. It differs from Open in that the site itself is never exposed, and from Percutaneous Endoscopic in that no endoscope is used to see internal structures. Common examples include needle biopsies and injections.

Device: Spacer

In Medical and Surgical procedures, a Spacer is a temporary, non-articulating device left in a joint or space after a component is removed, most often an antibiotic-impregnated cement block placed during a staged joint revision to control infection while preserving space and alignment. It is not intended to move like a real joint. It differs from an Articulating Spacer, which is shaped to permit some motion during the interim period, and from a permanent Synthetic Substitute.

Coding & Documentation

A coder needs operative documentation confirming that a device was placed into the joint and left in place, with no accompanying excision or replacement of joint tissue - if tissue is also being replaced, Replacement rather than Insertion applies. The device type and specific joint (by vertebral level or named lower joint) must be documented to select the correct body part and device value. A frequent error is coding Insertion when a fixation device is actually part of a fusion procedure; if the hardware is placed to achieve fusion, the fusion root operation captures the device and Insertion should not be coded separately. Another common mistake is misidentifying the joint level, especially in multi-level spinal cases where each level may require its own code.

Commonly Confused With

FusionInsertion is easily confused with Fusion when internal fixation hardware is involved - the distinction is whether the intent is joint stabilization alone (Insertion) or joint immobilization for bony union (Fusion).
ReplacementIt is also confused with Replacement, which applies when the device physically takes the place of joint structure rather than sitting alongside it.