Convert ICD-10 Code G44.059 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
G44.059 Shrt lst unil nerlgif hdache w cnjnct inject/tear, not ntrct		339.05 Shrt lst uni nral hdache
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 G44.059 - short lasting unilateral neuralgiform headache with conjunctival injection and tearing (sunct), not intractable based on the most recent General Equivalence Mappings (GEMS) information.