Is M46.4 a billable code?
No. M46.4 is a header code that groups 10 more specific codes. Use one of the billable codes listed on this page instead.
ICD-10-CM FY2027 diagnosis code
M46.4: Discitis, unspecified
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
M46.4 groups related diagnoses under discitis, unspecified. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Billable codes under M46.4
- M46.40Discitis, unspecified, site unspecified
- M46.41Discitis, unspecified, occipito-atlanto-axial region
- M46.42Discitis, unspecified, cervical region
- M46.43Discitis, unspecified, cervicothoracic region
- M46.44Discitis, unspecified, thoracic region
- M46.45Discitis, unspecified, thoracolumbar region
- M46.46Discitis, unspecified, lumbar region
- M46.47Discitis, unspecified, lumbosacral region
- M46.48Discitis, unspecified, sacral and sacrococcygeal region
- M46.49Discitis, unspecified, multiple sites in spine
Other codes in M46 Other inflammatory spondylopathies
- M46.0Spinal enthesopathyheader
- M46.1Sacroiliitis, not elsewhere classified
- M46.2Osteomyelitis of vertebraheader
- M46.3Infection of intervertebral disc (pyogenic)header
- M46.5Other infective spondylopathiesheader
- M46.8Other specified inflammatory spondylopathiesheader
- M46.9Unspecified inflammatory spondylopathyheader
M46.4 questions
What does M46.4 mean?
M46.4 is the ICD-10-CM code for Discitis, unspecified. It is in chapter 13, Diseases of the musculoskeletal system and connective tissue (M00-M99).
Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.