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! 19220
OUTPAT OUTPAT_ICD10(G442) Tension-type headache 16307
INPAT INPAT_ICD10(G442) Tension-type headache 2478
OUTPAT OUTPAT_ICD10(G440) Cluster headache syndrome 1212
OUTPAT OUTPAT_ICD10(G448) Other specified headache syndromes 939
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(G448) Other specified headache syndromes. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 861
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(G440) Cluster headache syndrome. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 797
OUTPAT OUTPAT_ICD10(G441) Vascular headache, not elsewhere classified 743
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(G44) Other headache syndromes. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 422
INPAT INPAT_ICD10(G440) Cluster headache syndrome 304
INPAT INPAT_ICD10(G448) Other specified headache syndromes 199
OUTPAT OUTPAT_ICD10(G443) Chronic post-traumatic headache 195
OUTPAT OUTPAT_ICD10(G444) Drug-induced headache, not elsewhere classified 145
INPAT INPAT_ICD10(G441) Vascular headache, not elsewhere classified 138
INPAT INPAT_ICD9(3468X) Other forms of migraine 107
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(G444) Drug-induced headache, not elsewhere classified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 65
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(G441) Vascular headache, not elsewhere classified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 64
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(G443) Chronic post-traumatic headache. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 61
INPAT INPAT_ICD10(G444) Drug-induced headache, not elsewhere classified 52
OUTPAT OUTPAT_ICD10(G44) Other headache syndromes 43
INPAT INPAT_ICD8(34601) Migraine, Morbus Harris-Horton 32
INPAT INPAT_ICD10(G443) Chronic post-traumatic headache 24