M40.13
✓ Billable
Other secondary kyphosis, cervicothoracic region
ICD-10-CM · FY2026 · Diseases of the Musculoskeletal System and Connective Tissue
Code
M40.13
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 M40.13?
ICD-10-CM code M40.13 represents Other secondary kyphosis, cervicothoracic region. 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 M40.13 billable?
Yes. M40.13 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is M40.13 in?
M40.13 belongs to the Diseases of the Musculoskeletal System and Connective Tissue chapter (M00–M99) of ICD-10-CM.
Related codes in the M40 category
M40
Kyphosis and lordosis
Non-billable
M40.0
Postural kyphosis
Non-billable
M40.1
Other secondary kyphosis
Non-billable
M40.2
Other and unspecified kyphosis
Non-billable
M40.3
Flatback syndrome
Non-billable
M40.4
Postural lordosis
Non-billable
M40.5
Lordosis, unspecified
Non-billable
M40.00
Postural kyphosis, site unspecified
Billable
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