Convert ICD-10 Code H90.42 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
H90.42 Snsrnrl hear loss, uni, left ear, w unrestr hear cntra side		389.13 Neural hear loss, unilat
Approximate Flag - The approximate mapping means there is not an exact match between the ICD-10 and ICD-9 codes and the mapped code is not a precise representation of the original code.
H90.42 Snsrnrl hear loss, uni, left ear, w unrestr hear cntra side		389.14 Central hearing loss
Approximate Flag - The approximate mapping means there is not an exact match between the ICD-10 and ICD-9 codes and the mapped code is not a precise representation of the original code.
H90.42 Snsrnrl hear loss, uni, left ear, w unrestr hear cntra side		389.15 Sensorneur hear loss uni
Approximate Flag - The approximate mapping means there is not an exact match between the ICD-10 and ICD-9 codes and the mapped code is not a precise representation of the original code.
H90.42 Snsrnrl hear loss, uni, left ear, w unrestr hear cntra side		389.17 Sensory hear loss,unilat
Approximate Flag - The approximate mapping means there is not an exact match between the ICD-10 and ICD-9 codes and the mapped code is not a precise representation of the original code.

ICD-10 to ICD-9 crosswalk for code H90.42 - sensorineural hearing loss, unilateral, left ear, with unrestricted hearing on the contralateral side based on the most recent General Equivalence Mappings (GEMS) information.