M50.921

Billable

ChapterM00–M99

Ranksubcategory

Official Description

Unspecified cervical disc disorder at C4-C5 level

Metadata & Insights

•2026 ICD-10-CM Edition - Effective October 1, 2025.
•Billable/specific code (valid for reimbursement).
•Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue (M00-M99).

Instructional Notes

Includes

Unspecified C4-C5 cervical disc disorder

General instructions are available for the parent sections:

View CH13 Notes View M50-M54 Notes View M50 Notes

Clinical Hierarchy

CH13Diseases of the musculoskeletal system and connective tissue (M00-M99)

M50-M54Other dorsopathies (M50-M54)

M50Cervical disc disorders

M50.9Cervical disc disorder, unspecified

M50.92Cervical disc disorder, unspecified, mid-cervical region

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

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to M50.921:

categoryM50

Cervical disc disorders

View context instructions

blockM50-M54

Other dorsopathies (M50-M54)

View context instructions

chapterCH13

Diseases of the musculoskeletal system and connective tissue (M00-M99)

View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to M50.921. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

1 raw paths

Disorder (of)1 unique routes

disc (intervertebral)

cervical

C4-C5→M50.921

MS-DRG Classification

2026 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

DRG 551

Medical Back Problems with MCC

DRG 552

Medical Back Problems without MCC

Cross Reference

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Find surgical and procedural codes related to Unspecified cervical disc disorder at C4-C5 level.

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