ICD-10-CM › M00-M99 › M40-M43 › M40.4 Postural lordosis › M40.45
Postural lordosis, thoracolumbar region
ValidICD-10-CM diagnosis code.
Valid for claims with a date of service in the current code year.
What has happened to this code
Every change the publisher made, from 2007 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.
- FY2007 Added to the draft code set draft Postural lordosis, thoracolumbar region
Official coding rules
Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.
Inherited from M40 Kyphosis and lordosis
Excludes1 - never coded here
- congenital kyphosis and lordosis (Q76.4)
- kyphoscoliosis (M41.-)
- postprocedural kyphosis and lordosis (M96.-)
Code first
- underlying disease
How CDC's index refers to this code
Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.
- Saddle > back
- Lordosis > acquired
- Lordosis > postural
- Deformity > saddle > back
- Lordosis > specified type NEC > thoracolumbar region
Codes in the same group
| Code | Description | Status |
|---|---|---|
| M40.40 | Postural lordosis, site unspecified | Valid |
| M40.46 | Postural lordosis, lumbar region | Valid |
| M40.47 | Postural lordosis, lumbosacral region | Valid |