DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

M54.50 diagnosis code · Billable code · FY2027

M54.50 Low back pain, unspecified

  • Billable
  • Not CC/MCC
  • POA reported

M54.50 ICD-10 code: a billable diagnosis code in FY2027, one of 33 billable codes in category M54.

ICD-10 code by name

What is the ICD-10 code for lumbago?
Lumbago ICD-10 code: M54.50 Low back pain, unspecified. Alphabetic Index: Lumbago, lumbalgia → M54.50. Search ICD-10 for lumbago
CC / MCC
Neither
MS-DRG
551-552
HCC V28
–
POA
Reported
Code Editor
–
Index entries
7

Instructions

At M54.50

Inclusion terms

  • Loin pain
  • Lumbago NOS

Notes that also apply

Excludes1 from M54.5

  • intervertebral disc degeneration, lumbar region with discogenic back pain only (M51.360) M51.360
  • intervertebral disc degeneration, lumbosacral region with discogenic back pain only (M51.370) M51.370
  • low back strain (S39.012) S39.012
  • lumbago due to intervertebral disc displacement (M51.2-) M51.2
  • lumbago with sciatica (M54.4-) M54.4

Excludes1 from M54

  • psychogenic dorsalgia (F45.41) F45.41

Block M50-M54 instructions (Excludes1 2): printed on the block page.

Chapter 13 instructions (Notes 1, Excludes2 10): printed on the chapter 13 page.

Index entries

  • Lumbago, lumbalgia → M54.50
  • Lowback syndrome → M54.50
  • Pain(s)loin → M54.50
  • Pain(s)low back → M54.50
  • Pain(s)lumbar region → M54.50
  • Pain(s)spinelow back → M54.50
  • Syndromelowback → M54.50

NCHS Alphabetic Index. Index first, then the Tabular List.

Medicare grouping and edits

CMS files for M54.50
CC / MCCNeither
Appendix BMDC 08 Diseases and Disorders of the Musculoskeletal System and Connective Tissue, MS-DRG 551-552 (Medical Back Problems with MCC…)
Code Editor–
POAReported
HCC V28–

CMS: MS-DRG v44 (Appendix B, C), MCE v44, POA list FY2027, 2027 Initial ICD-10-CM Mappings. What the rows mean.

Hierarchy