M99.4 is a non-billable/non-specific diagnosis code from the 2025 ICD-10-CM used to classify the following condition: Connective tissue stenosis of neural canal.
Codes
M99.40
Connective tissue stenosis of neural canal of head region
M99.41
Connective tissue stenosis of neural canal of cervical region
M99.42
Connective tissue stenosis of neural canal of thoracic region
M99.43
Connective tissue stenosis of neural canal of lumbar region
M99.44
Connective tissue stenosis of neural canal of sacral region
M99.45
Connective tissue stenosis of neural canal of pelvic region
M99.46
Connective tissue stenosis of neural canal of lower extremity
M99.47
Connective tissue stenosis of neural canal of upper extremity
M99.48
Connective tissue stenosis of neural canal of rib cage
M99.49
Connective tissue stenosis of neural canal of abdomen and other regions
Versions
2025
No changes
2024
No changes
2023
No changes
2022
No changes
2021
No changes
2020
No changes
2019
No changes
2018
No changes
2017
No changes
2016
New code