Acute non intractable headache unspecified icd 10 July 8, 2019 16 32 64 128 Icd 10 code for acute non intractable headache unspecified Icd 10 cm code for acute non intractable headache unspecified headache type Acute headache icd 10 Depression icd 10 Headache unspecified icd 10 Acute intractable pain icd 10 Acute migraine headache icd 10