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! 27399
OUTPAT OUTPAT_ICD10(G442) Tension-type headache 19405
INPAT INPAT_ICD10(G442) Tension-type headache 2877
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(G448) Other specified headache syndromes. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 2043
OUTPAT OUTPAT_ICD10(G440) Cluster headache syndrome 1507
OUTPAT OUTPAT_ICD10(G448) Other specified headache syndromes 1247
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(G440) Cluster headache syndrome. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 1171
OUTPAT OUTPAT_ICD10(G441) Vascular headache, not elsewhere classified 826
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(G44) Other headache syndromes. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 704
INPAT INPAT_ICD10(G440) Cluster headache syndrome 385
INPAT INPAT_ICD10(G448) Other specified headache syndromes 255
OUTPAT OUTPAT_ICD10(G443) Chronic post-traumatic headache 229
OUTPAT OUTPAT_ICD10(G444) Drug-induced headache, not elsewhere classified 175
INPAT INPAT_ICD10(G441) Vascular headache, not elsewhere classified 151
INPAT INPAT_ICD9(3468X) Other forms of migraine 113
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(G443) Chronic post-traumatic headache. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 102
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(G444) Drug-induced headache, not elsewhere classified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 102
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(G441) Vascular headache, not elsewhere classified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 88
OUTPAT OUTPAT_ICD10(G44) Other headache syndromes 61
INPAT INPAT_ICD10(G444) Drug-induced headache, not elsewhere classified 56
INPAT INPAT_ICD8(34601) Migraine, Morbus Harris-Horton 35
INPAT INPAT_ICD10(G443) Chronic post-traumatic headache 33