M88.9
✓ Billable
Osteitis deformans of unspecified bone
ICD-10-CM · FY2026 · Diseases of the Musculoskeletal System and Connective Tissue
Code
M88.9
System
ICD-10-CM
Billable
Yes — valid for submission
Effective
FY2026
Chapter
Diseases of the Musculoskeletal System and Connective Tissue
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code M88.9?
ICD-10-CM code M88.9 represents Osteitis deformans of unspecified bone. It is a billable diagnosis code in the Diseases of the Musculoskeletal System and Connective Tissue chapter, effective October 1, 2025 – September 30, 2026.
Is M88.9 billable?
Yes. M88.9 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is M88.9 in?
M88.9 belongs to the Diseases of the Musculoskeletal System and Connective Tissue chapter (M00–M99) of ICD-10-CM.
Related codes in the M88 category
M88
Osteitis deformans [Paget's disease of bone]
Non-billable
M88.0
Osteitis deformans of skull
Billable
M88.1
Osteitis deformans of vertebrae
Billable
M88.8
Osteitis deformans of other bones
Non-billable
M88.81
Osteitis deformans of shoulder
Non-billable
M88.82
Osteitis deformans of upper arm
Non-billable
M88.83
Osteitis deformans of forearm
Non-billable
M88.84
Osteitis deformans of hand
Non-billable
Search all 98,186 ICD-10-CM codes instantly
Search ICDwise →