M91.22
✓ Billable
Coxa plana, left hip
ICD-10-CM · FY2026 · Diseases of the Musculoskeletal System and Connective Tissue
Code
M91.22
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 M91.22?
ICD-10-CM code M91.22 represents Coxa plana, left hip. 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 M91.22 billable?
Yes. M91.22 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is M91.22 in?
M91.22 belongs to the Diseases of the Musculoskeletal System and Connective Tissue chapter (M00–M99) of ICD-10-CM.
Related codes in the M91 category
M91
Juvenile osteochondrosis of hip and pelvis
Non-billable
M91.0
Juvenile osteochondrosis of pelvis
Billable
M91.1
Juvenile osteochondrosis of head of femur [Legg-Calve-Perthes]
Non-billable
M91.2
Coxa plana
Non-billable
M91.3
Pseudocoxalgia
Non-billable
M91.4
Coxa magna
Non-billable
M91.8
Other juvenile osteochondrosis of hip and pelvis
Non-billable
M91.9
Juvenile osteochondrosis of hip and pelvis, unspecified
Non-billable
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