M99.40 Connective tissue stenosis of neural canal of head region

The following code(s) above M99.40 may contain annotation back-references that may be applicable to M99.40:

• Diseases of the musculoskeletal system and connective tissue (M00-M99)
• Connective tissue stenosis of neural canal (M99.4)

Diagnosis Index

Stenosis, Stenotic - see also Stricture
- Neural Canal - see also Lesion, biomechanical, specified NEC
-- Connective Tissue M99.49
--- Head Region M99.40
--- Occipitocervical M99.40