Discitis, unspecified, occipito-atlanto-axial region

This code represents inflammation of an intervertebral disc in the upper cervical spine, specifically involving the occiput, atlas (C1), and axis (C2) vertebrae. It indicates that the specific cause or type of discitis is not documented.

Apply this code when documentation confirms discitis affecting the occipito-atlanto-axial region, and the physician has not specified the etiology (e.g., infectious, non-infectious). This is appropriate when imaging (MRI, CT) or clinical findings support inflammation of the disc space in this specific anatomical area without further detail on the cause.

• Ensure documentation explicitly states "discitis" and specifies the "occipito-atlanto-axial region."
• If an infectious agent is identified, a more specific code for infectious discitis (e.g., M46.21) should be used, along with the code for the infectious organism.
• Avoid using this code if the discitis is clearly attributed to a specific condition, such as a post-procedural complication or a known inflammatory disease.