Source Code Name Case count Share of cases (%)
OUTPAT OUTPAT_ICD10(R5180) Headache 32983
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(R5180) Headache. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 22630
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(R51) Headache. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 12232
INPAT INPAT_ICD10(R5180) Headache 5585
OUTPAT OUTPAT_ICD10(R51) Headache 2855
OUTPAT OUTPAT_ICD10(R5181) Facial pain NOS 2855
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! 2121
INPAT INPAT_ICD9(7840A) Headache 1631
INPAT INPAT_ICD10(R51) Headache 550
OUTPAT OUTPAT_ICD10(R518) Name not found 478
INPAT INPAT_ICD10(R5181) Facial pain NOS 184