Source Code Name Case count Share of cases (%)
OUTPAT OUTPAT_ICD10(R5180) Headache 31110
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(R5180) Headache. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 19071
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(R51) Headache. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 10356
INPAT INPAT_ICD10(R5180) Headache 5384
OUTPAT OUTPAT_ICD10(R51) Headache 2842
OUTPAT OUTPAT_ICD10(R5181) Facial pain NOS 2725
INPAT INPAT_ICD8(79199) Headache 2230
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(R5181) Facial pain NOS. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 1700
INPAT INPAT_ICD9(7840A) Headache 1630
INPAT INPAT_ICD10(R51) Headache 548
OUTPAT OUTPAT_ICD10(R518) Name not found 478
INPAT INPAT_ICD10(R5181) Facial pain NOS 179