Is ICD-10-CM code M89.79 billable?

Yes, M89.79 (Major osseous defect, multiple sites) is a billable ICD-10-CM diagnosis code, valid for reimbursement on HIPAA-covered transactions for FY2026.

What chapter does ICD-10-CM code M89.79 belong to?

M89.79 belongs to Chapter 13 of the ICD-10-CM tabular list: M00–M99 — Diseases of the Musculoskeletal System and Connective Tissue.

M89.79

Billable

ChapterM00–M99

Ranksubcategory

Description

Major osseous defect, multiple sites

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 Notes View M86-M90 Notes View M89.7 Notes

Clinical Hierarchy

BillableHas subcodes

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

M86-M90Other osteopathies (M86-M90)

M89Other disorders of bone

M89.7Major osseous defect

M89.79Major osseous defect, multiple sitesBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to M89.79:

subcategoryM89.7

Major osseous defect

View context instructions

blockM86-M90

Other osteopathies (M86-M90)

View context instructions

chapterCH13

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

View context instructions

MS-DRG Classification

2026 v43.1

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

DRG 553

Bone Diseases and Arthropathies with MCC

DRG 554

Bone Diseases and Arthropathies without MCC

Cross Reference

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