A. A single headache episode fulfilling criteria B and C
B. Brought on by and occurring only during or immediately after a cold stimulus applied externally to the head or ingested or inhaled
C. Resolving within 10 min after removal of the cold stimulus
D. Not fulfilling ICHD-3 criteria for any other headache disorder
E. Not better accounted for by another ICHD-3 diagnosis.
Codable subforms are 184.108.40.206 Headache probably attributed to external application of a cold stimulus and 220.127.116.11 Headache probably attributed to ingestion or inhalation of a cold stimulus.