Icd 10 code for unspecified headache not intractable July 8, 2019 16 32 64 128 Icd 10 code for tension type headache unspecified not intractable Icd 10 code for post traumatic headache unspecified not intractable Intractable headache icd 10 Icd 10 headache unspecified Other headache icd 10