M54.50

Billable
ChapterM00–M99
Ranksubcategory
Official Description

Low back pain, unspecified

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
  • Loin pain
  • Lumbago NOS
General instructions are available for the parent sections:
View CH13 NotesView M50-M54 NotesView M54 NotesView M54.5 Notes

Clinical Hierarchy

CH13Diseases of the musculoskeletal system and connective tissue (M00-M99)
M50-M54Other dorsopathies (M50-M54)
M54Dorsalgia
M54.5Low back pain
M54.50Low back pain, unspecified

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to M54.50:

subcategoryM54.5
Low back pain
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 M54.50. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

7 raw paths
Low1 unique routes
back syndrome→M54.50
Lumbago, lumbalgia1 unique routes
Direct index entry→M54.50
Pain (s)4 unique routes
loin→M54.50
low back→M54.50
lumbar region→M54.50
spine
low back→M54.50
Syndrome1 unique routes
low
back→M54.50

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

Find Procedures (ICD-10-PCS)

Find surgical and procedural codes related to Low back pain, unspecified.

Search PCS Codes