ICD-10-CM 2027
ICD-10 code for cervicothoracic region kyphosis
From the official ICD-10-CM alphabetic index entry “Kyphosis, kyphotic (acquired) › cervicothoracic region”. Page updated September 29, 2026.
About coding cervicothoracic region kyphosis
The ICD-10-CM code for cervicothoracic region kyphosis is M40.203 (Unspecified kyphosis, cervicothoracic region).
Within M40.20 (unspecified kyphosis), M40.203 is specifically for unspecified kyphosis, cervicothoracic region. Related codes cover cervical region (M40.202), thoracic region (M40.204), thoracolumbar region (M40.205) and site unspecified (M40.209).
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 cervicothoracic region kyphosis ICD-10 codes
What is the ICD-10 code for cervicothoracic region kyphosis?
- M40.203 — Unspecified kyphosis, cervicothoracic region.
Is M40.203 billable?
- Yes. M40.203 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can M40.203 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict M40.203 as a principal diagnosis.
Is M40.203 a CC or MCC?
- No. M40.203 is neither a CC nor an MCC under MS-DRG v44.0.