A10.9 Persistent headache attributed to past disorder of homoeostasis

Diagnostic criteria:

1. Headache previously diagnosed as 10. Headache attributed to disorder of homoeostasis, and fulfilling criterion C
2. The disorder of homoeostasis causing the headache has been effectively treated or has spontaneously remitted
3. Headache has persisted for >3 months after effective treatment or spontaneous remission of the disorder of homoeostasis
4. Not better accounted for by another ICHD-3 diagnosis.