Source Code Name Case count Share of cases (%)
OUTPAT OUTPAT_ICD10(R5180) Headache 34204
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(R5180) Headache. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 25612
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(R51) Headache. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 13585
INPAT INPAT_ICD10(R5180) Headache 5708
OUTPAT OUTPAT_ICD10(R51) Headache 2994
OUTPAT OUTPAT_ICD10(R5181) Facial pain NOS 2989
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(R5181) Facial pain NOS. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 2464
INPAT INPAT_ICD8(79199) Headache 2233
INPAT INPAT_ICD9(7840A) Headache 1630
INPAT INPAT_ICD10(R51) Headache 551
OUTPAT OUTPAT_ICD10(R518) Name not found 477
INPAT INPAT_ICD10(R5181) Facial pain NOS 188