M50.921 – Unspecified cervical disc disorder at C4-C5 level

ICD-10-CM 2027 diagnosis code · Other dorsopathies

Billable code

ICD-10-CM code M50.921

Code: M50.921 (claims format: M50921)
Description: Unspecified cervical disc disorder at C4-C5 level
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: M50 › M50.9 › M50.92

Notes for M50.921

Applicable to:

Unspecified C4-C5 cervical disc disorder

Notes inherited from parent codes

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

M50 – Cervical disc disorders

Includes:

cervicothoracic disc disorders with cervicalgia
cervicothoracic disc disorders

Block M50-M54

Excludes1 (not coded here):

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

Index terms for M50.921

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

Disorder, disc, cervical, C4-C5

Related codes in M50.92

Frequently asked questions

What is ICD-10 code M50.921?

M50.921 is the ICD-10-CM code for unspecified cervical disc disorder at C4-C5 level, in the block M50-M54 (Other dorsopathies).

Is M50.921 a billable code?

Yes. M50.921 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does M50.921 belong to?

It belongs to category M50 – Cervical 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.