ICD-10-CM 2027
ICD-10 code for lumbosacral region lordosis
From the official ICD-10-CM alphabetic index entry “Lordosis › lumbosacral region”. Page updated September 29, 2026.
About coding lumbosacral region lordosis
The ICD-10-CM code for lumbosacral region lordosis is M40.57 (Lordosis, unspecified, lumbosacral region).
Within M40.5 (lordosis, unspecified), M40.57 is specifically for lordosis, unspecified, lumbosacral region. Related codes cover site unspecified (M40.50), thoracolumbar region (M40.55) and lumbar region (M40.56).
Code first: underlying disease.
It is not a CC or MCC, so as a secondary diagnosis it doesn't change the MS-DRG severity level.
Common questions about lumbosacral region lordosis ICD-10 codes
What is the ICD-10 code for lumbosacral region lordosis?
- M40.57 — Lordosis, unspecified, lumbosacral region.
Is M40.57 billable?
- Yes. M40.57 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can M40.57 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict M40.57 as a principal diagnosis.
Is M40.57 a CC or MCC?
- No. M40.57 is neither a CC nor an MCC under MS-DRG v44.0.