Source Code Name Case count Share of cases (%)
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(G442) Tension-type headache. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 14088
OUTPAT OUTPAT_ICD10(G442) Tension-type headache 13186
INPAT INPAT_ICD10(G442) Tension-type headache 2127
OUTPAT OUTPAT_ICD10(G440) Cluster headache syndrome 977
OUTPAT OUTPAT_ICD10(G448) Other specified headache syndromes 727
OUTPAT OUTPAT_ICD10(G441) Vascular headache, not elsewhere classified 622
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(G440) Cluster headache syndrome. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 577
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(G448) Other specified headache syndromes. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 546
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(G44) Other headache syndromes. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 275
INPAT INPAT_ICD10(G440) Cluster headache syndrome 249
OUTPAT OUTPAT_ICD10(G443) Chronic post-traumatic headache 167
INPAT INPAT_ICD10(G448) Other specified headache syndromes 162
INPAT INPAT_ICD10(G441) Vascular headache, not elsewhere classified 125
OUTPAT OUTPAT_ICD10(G444) Drug-induced headache, not elsewhere classified 105
INPAT INPAT_ICD9(3468X) Other forms of migraine 87
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(G444) Drug-induced headache, not elsewhere classified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 52
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(G441) Vascular headache, not elsewhere classified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 49
INPAT INPAT_ICD10(G444) Drug-induced headache, not elsewhere classified 45
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(G443) Chronic post-traumatic headache. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 44
OUTPAT OUTPAT_ICD10(G44) Other headache syndromes 30
INPAT INPAT_ICD8(34601) Migraine, Morbus Harris-Horton 28
INPAT INPAT_ICD10(G443) Chronic post-traumatic headache 22