M40.4

Non-billable

Postural lordosis

M40.4 is the ICD-10-CM code for Postural lordosis. It is a non-billable category code — use a more specific child code such as M40.40 for billing.

Status
Header (non-billable)
Chapter
M00-M99
Parent
M40
Subcodes
4
Edition
FY2026

M00-M99 Diseases of the musculoskeletal system and connective tissue

Includes

  • Acquired lordosis

Frequently asked questions

What is ICD-10 code M40.4?
M40.4 is the ICD-10-CM code for "Postural lordosis". It falls under M00-M99 Diseases of the musculoskeletal system and connective tissue.
Is M40.4 a billable code?
No — M40.4 is a non-billable header code. Use a more specific child code (such as M40.40) for billing.
What are the subcodes of M40.4?
M40.4 has 4 more specific child codes, including M40.40, M40.45, M40.46.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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