Diagnostic criteria:
  1. A single headache episode fulfilling criteria B and C
  2. Brought on by and occurring only during or immediately after a cold stimulus applied externally to the head or ingested or inhaled
  3. Resolving within 10 minutes after removal of the cold stimulus
  4. Not fulfilling ICHD-3 criteria for any other headache disorder
  5. Not better accounted for by another ICHD-3 diagnosis.
Comment:

Codable subforms are 4.5.3.1 Headache probably attributed to external application of a cold stimulus and 4.5.3.2 Headache probably attributed to ingestion or inhalation of a cold stimulus.