Narrowing
- artery NEC 447.1
- auditory canal (external) (see also Stricture, ear canal, acquired) 380.50
- cerebral arteries 437.0
- cicatricial - see Cicatrix
- congenital - see Anomaly, congenital
- coronary artery - see Narrowing, artery, coronary
- ear, middle 385.22
- Eustachian tube (see also Obstruction, Eustachian tube) 381.60
- eyelid 374.46
- intervertebral disc or space NEC - see Degeneration, intervertebral disc
- joint space, hip 719.85
- larynx 478.74
- lids 374.46
- mesenteric artery (with gangrene) 557.0
- palate 524.89
- palpebral fissure 374.46
- retinal artery 362.13
- ureter 593.3
- urethra (see also Stricture, urethra) 598.9
