ICD 9 CM Codes

High-grade defect
IQ 50-70
Mild mental subnormality
380 Disorders of external ear
381 Nonsuppurative otitis media and Eustachian tube disorders
382 Suppurative and unspecified otitis media
383 Mastoiditis and related conditions
384 Other disorders of tympanic membrane
385 Other disorders of middle ear and mastoid
386 Vertiginous syndromes and other disorders of vestibular system
387 Otosclerosis
388 Other disorders of ear
389 Hearing loss