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! 25314
OUTPAT OUTPAT_ICD10(G442) Tension-type headache 18853
INPAT INPAT_ICD10(G442) Tension-type headache 2831
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(G448) Other specified headache syndromes. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 1808
OUTPAT OUTPAT_ICD10(G440) Cluster headache syndrome 1439
OUTPAT OUTPAT_ICD10(G448) Other specified headache syndromes 1176
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(G440) Cluster headache syndrome. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 1083
OUTPAT OUTPAT_ICD10(G441) Vascular headache, not elsewhere classified 821
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(G44) Other headache syndromes. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 602
INPAT INPAT_ICD10(G440) Cluster headache syndrome 367
INPAT INPAT_ICD10(G448) Other specified headache syndromes 245
OUTPAT OUTPAT_ICD10(G443) Chronic post-traumatic headache 219
OUTPAT OUTPAT_ICD10(G444) Drug-induced headache, not elsewhere classified 167
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(G444) Drug-induced headache, not elsewhere classified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 95
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(G443) Chronic post-traumatic headache. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 88
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(G441) Vascular headache, not elsewhere classified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 85
INPAT INPAT_ICD10(G444) Drug-induced headache, not elsewhere classified 56
OUTPAT OUTPAT_ICD10(G44) Other headache syndromes 54
INPAT INPAT_ICD8(34601) Migraine, Morbus Harris-Horton 35
INPAT INPAT_ICD10(G443) Chronic post-traumatic headache 33