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! 11681
OUTPAT OUTPAT_ICD10(G442) Tension-type headache 11541
INPAT INPAT_ICD10(G442) Tension-type headache 1858
OUTPAT OUTPAT_ICD10(G440) Cluster headache syndrome 855
OUTPAT OUTPAT_ICD10(G448) Other specified headache syndromes 614
OUTPAT OUTPAT_ICD10(G441) Vascular headache, not elsewhere classified 569
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(G440) Cluster headache syndrome. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 465
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(G448) Other specified headache syndromes. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 437
INPAT INPAT_ICD10(G440) Cluster headache syndrome 223
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(G44) Other headache syndromes. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 207
OUTPAT OUTPAT_ICD10(G443) Chronic post-traumatic headache 150
INPAT INPAT_ICD10(G448) Other specified headache syndromes 146
INPAT INPAT_ICD10(G441) Vascular headache, not elsewhere classified 113
OUTPAT OUTPAT_ICD10(G444) Drug-induced headache, not elsewhere classified 91
INPAT INPAT_ICD9(3468X) Other forms of migraine 78
INPAT INPAT_ICD10(G444) Drug-induced headache, not elsewhere classified 43
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(G444) Drug-induced headache, not elsewhere classified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 43
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(G441) Vascular headache, not elsewhere classified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 39
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(G443) Chronic post-traumatic headache. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 36
INPAT INPAT_ICD8(34601) Migraine, Morbus Harris-Horton 23
OUTPAT OUTPAT_ICD10(G44) Other headache syndromes 22
INPAT INPAT_ICD10(G443) Chronic post-traumatic headache 20