0SH808Z
Insertion Sacroiliac Joint, Left to No Qualifier with Spacer, Open Approach
Procedural Specifications
| Clinical Axis | Detail Definition |
|---|---|
| Section | 0 Medical and Surgical |
| Body System | S Lower Joints |
| Operation | H Insertion |
| Body Part | 8 Sacroiliac Joint, Left |
| Approach | 0 Open |
| Device | 8 Spacer |
| Qualifier | Z 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
Sacroiliac Joint, Left
The sacroiliac joint links the sacrum to the ilium through a dense network of interosseous and posterior ligaments that make it one of the least mobile joints in the body, and insertion here typically places a fusion implant, screw guide, or biologic material to support a stabilization procedure for chronic sacroiliitis or post-traumatic instability. Because the joint has an irregular, partly cartilaginous and partly fibrous surface, devices are often positioned under fluoroscopic or navigation guidance to avoid the adjacent neural foramina and sacral nerve roots. Coders should confirm that the device remains in the joint itself rather than crossing into surrounding bone, which would instead point to a different body part value.
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.
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.