ICD-10-CM
ICD-10 code for Kyphosis: M40.209
The ICD-10-CM index points "Kyphosis" to M40.20 (Unspecified kyphosis), a header that is not billable. When nothing more specific is documented, the billable code is M40.209, Unspecified kyphosis, site unspecified.
Source: CDC ICD-10-CM FY2027 Alphabetic Index file dated June 16, 2026. Publisher page
Run it in Rivvi
Check every code on your export
Upload a claims or problem-list export. Rivvi flags codes that are not billable, replaced, or unspecified when a specific code exists.
Check my exportFree to start. Opens Rivvi, the AI workspace for healthcare teams.
Index subterms
A header groups codes and is not billed. A billable code is one you can report.
- M40.202cervical region, Unspecified kyphosis, cervical regionBillable
- M40.203cervicothoracic region, Unspecified kyphosis, cervicothoracic regionBillable
- Q76.419congenital, Congenital kyphosis, unspecified regionBillable
- E76.219Morquio-Brailsford type (spinal), Morquio mucopolysaccharidoses, unspecifiedBillable
- M96.3postlaminectomy, Postlaminectomy kyphosisBillable
- M96.2postradiation therapy, Postradiation kyphosisBillable
- M40.00postural (adolescent), Postural kyphosis, site unspecifiedBillable
- M40.10secondary NEC, Other secondary kyphosis, site unspecifiedBillable
- E64.3sequelae of ricketsBillable
- M40.299specified type NEC, Other kyphosis, site unspecifiedBillable
- A50.56syphilitic, congenital, Late congenital syphilitic osteochondropathyBillable
- M40.204thoracic region, Unspecified kyphosis, thoracic regionBillable
- M40.205thoracolumbar region, Unspecified kyphosis, thoracolumbar regionBillable
- A18.01tuberculous, Tuberculosis of spineBillable
More specific codes in M40
A header groups codes and is not billed. A billable code is one you can report.
- M40Kyphosis and lordosisHeader
- M40.0Postural kyphosisHeader
- M40.00Postural kyphosis, site unspecifiedBillable
- M40.03Postural kyphosis, cervicothoracic regionBillable
- M40.04Postural kyphosis, thoracic regionBillable
- M40.05Postural kyphosis, thoracolumbar regionBillable
- M40.1Other secondary kyphosisHeader
- M40.10Other secondary kyphosis, site unspecifiedBillable
- M40.12Other secondary kyphosis, cervical regionBillable
- M40.13Other secondary kyphosis, cervicothoracic regionBillable
- M40.14Other secondary kyphosis, thoracic regionBillable
- M40.15Other secondary kyphosis, thoracolumbar regionBillable
- M40.2Other and unspecified kyphosisHeader
- M40.20Unspecified kyphosisHeader
- M40.202Unspecified kyphosis, cervical regionBillable
- M40.203Unspecified kyphosis, cervicothoracic regionBillable
- M40.204Unspecified kyphosis, thoracic regionBillable
- M40.205Unspecified kyphosis, thoracolumbar regionBillable
- M40.209Unspecified kyphosis, site unspecifiedBillable
- M40.29Other kyphosisHeader
- M40.292Other kyphosis, cervical regionBillable
- M40.293Other kyphosis, cervicothoracic regionBillable
- M40.294Other kyphosis, thoracic regionBillable
- M40.295Other kyphosis, thoracolumbar regionBillable
- M40.299Other kyphosis, site unspecifiedBillable
- M40.3Flatback syndromeHeader
- M40.30Flatback syndrome, site unspecifiedBillable
- M40.35Flatback syndrome, thoracolumbar regionBillable
- M40.36Flatback syndrome, lumbar regionBillable
- M40.37Flatback syndrome, lumbosacral regionBillable
- M40.4Postural lordosisHeader
- M40.40Postural lordosis, site unspecifiedBillable
- M40.45Postural lordosis, thoracolumbar regionBillable
- M40.46Postural lordosis, lumbar regionBillable
- M40.47Postural lordosis, lumbosacral regionBillable
- M40.5Lordosis, unspecifiedHeader
- M40.50Lordosis, unspecified, site unspecifiedBillable
- M40.55Lordosis, unspecified, thoracolumbar regionBillable
- M40.56Lordosis, unspecified, lumbar regionBillable
- M40.57Lordosis, unspecified, lumbosacral regionBillable
Code first
The CDC tabular list says to report the code named here before this one.
From M40. A note on a category applies to every code under it.
Code first underlying disease
Excludes1
Excludes1 means these codes are not reported together.
From M40. A note on a category applies to every code under it.
Related conditions
Related pages
- M40.209 code detailsNotes, nearby codes, CMS-HCC group
- Category M40.20Every code under it
- Chapter 13Diseases of the musculoskeletal system
- ICD-10 codes by conditionA to Z
- Check a list of ICD-10 codes
- Denial code CO-11Diagnosis does not support the procedure
- Denial code CO-146Diagnosis invalid for the date of service
- HCPCS Level II code lookup
Questions
What is the ICD-10 code for Kyphosis?
The ICD-10-CM index points "Kyphosis" to M40.20 (Unspecified kyphosis), a header that is not billable. When nothing more specific is documented, the billable code is M40.209, Unspecified kyphosis, site unspecified.
Is M40.209 billable?
Yes. M40.209 is a billable code in the FY2027 ICD-10-CM file. Use a more specific code when the record documents one.
What documentation notes apply to M40.209?
The CDC tabular list gives 3 Excludes1 notes (not coded together) for M40.209 and the categories above it. They are listed on this page.
What chapter is M40.209 in?
Chapter 13. Diseases of the musculoskeletal system.
When do ICD-10-CM codes change?
Every October 1, with the new fiscal year file. Some years add April 1 updates. This page uses the FY2027 file, effective October 1, 2026.