M48.15

Billable

ChapterM00–M99

Ranksubcategory

Official Description

Ankylosing hyperostosis [Forestier], thoracolumbar region

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).

General instructions are available for the parent sections:

View CH13 Notes View M48.1 Notes

Clinical Hierarchy

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

M45-M49Spondylopathies (M45-M49)

M48Other spondylopathies

M48.1Ankylosing hyperostosis [Forestier]

M48.15Ankylosing hyperostosis [Forestier], thoracolumbar region

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to M48.15:

subcategoryM48.1

Ankylosing hyperostosis [Forestier]

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 M48.15. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

1 raw paths

Hyperostosis (monomelic)1 unique routes

ankylosing (spine)

thoracolumbar region→M48.15

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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