All ICD10 Codes

M45.A7

Billable
ChapterM00–M99
Ranksubcategory
Official Description

Non-radiographic axial spondyloarthritis of lumbosacral region

Metadata & Insights
  • •Billable/specific code (valid for reimbursement).
  • •Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue (M00-M99).
General instructions are available for the parent sections:
View CH13 NotesView M45 Notes

Clinical Hierarchy

BillableHas subcodes
CH13Diseases of the musculoskeletal system and connective tissue (M00-M99)
M45-M49Spondylopathies (M45-M49)
M45Ankylosing spondylitis
M45.ANon-radiographic axial spondyloarthritis
M45.A7Non-radiographic axial spondyloarthritis of lumbosacral regionBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to M45.A7:

categoryM45
Ankylosing spondylitis
View context instructions
chapterCH13
Diseases of the musculoskeletal system and connective tissue (M00-M99)
View context instructions

Code History

  • FY 2021: This code replaced M45.7 (Ankylosing spondylitis of lumbosacral region)

MS-DRG Classification

2026 v43.1

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

DRG 545
Connective Tissue Disorders with MCC
DRG 546
Connective Tissue Disorders with CC
DRG 547
Connective Tissue Disorders without CC/MCC

Cross Reference

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