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M51.A

Non-billable

Other lumbar and lumbosacral annulus fibrosus disc defects

M51.A is the ICD-10-CM code for Other lumbar and lumbosacral annulus fibrosus disc defects. It is a non-billable category code — use a more specific child code such as M51.A0 for billing.

Status
Header (non-billable)
Chapter
M00-M99
Parent
M51
Subcodes
6
Edition
FY2026

M00-M99 Diseases of the musculoskeletal system and connective tissue

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code M51.A?
M51.A is the ICD-10-CM code for "Other lumbar and lumbosacral annulus fibrosus disc defects". It falls under M00-M99 Diseases of the musculoskeletal system and connective tissue.
Is M51.A a billable code?
No — M51.A is a non-billable header code. Use a more specific child code (such as M51.A0) for billing.
What are the subcodes of M51.A?
M51.A has 6 more specific child codes, including M51.A0, M51.A1, M51.A2.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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