M51.86 – Other intervertebral disc disorders, lumbar region

ICD-10-CM 2027 diagnosis code · Other dorsopathies

Billable code

ICD-10-CM code M51.86

Code: M51.86 (claims format: M5186)
Description: Other intervertebral disc disorders, lumbar region
Billable: Yes – valid for HIPAA-covered transactions
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 13. Diseases of the musculoskeletal system and connective tissue (M00-M99)
Block: M50-M54 Other dorsopathies
Parent codes: M51 › M51.8

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

M51 – Thoracic, thoracolumbar, and lumbosacral intervertebral disc disorders

Excludes2 (not included here):

cervical and cervicothoracic disc disorders (M50.-)
sacral and sacrococcygeal disorders (M53.3)

Block M50-M54

Excludes1 (not coded here):

current injury - see injury of spine by body region
discitis NOS (M46.4-)

Index terms for M51.86

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in M51.8

Frequently asked questions

What is ICD-10 code M51.86?

M51.86 is the ICD-10-CM code for other intervertebral disc disorders, lumbar region, in the block M50-M54 (Other dorsopathies).

Is M51.86 a billable code?

Yes. M51.86 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does M51.86 belong to?

It belongs to category M51 – Thoracic, thoracolumbar, and lumbosacral intervertebral disc disorders.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.