month of visit
day of visit
year of visit - 2 digits
patient age in years
patient sex
patient race
patient ethnicity
expected source of payment-private/comm
expected source of payment-medicare
expected source of payment-medicaid
expected source of payment-oth gov't
expected source of payment-hmo/oth prepaid
expected source of payment-patient paid
expected source of payment-no charge
expected source of payment-other
expected source of payment-unknown
place of occurrence of injury
cause of injury #1
cause of injury #2
cause of injury #3
cause of injury #1 - broad
cause of injury #2 - broad
cause of injury #3 - broad
patient's reason for visit #1
patient's reason for visit #2
patient's reason for visit #3
patient's reason for visit #1 - broad
patient's reason for visit #2 - broad
patient's reason for visit #3 - broad
physician's diagnosis #1
physician's diagnosis #2
physician's diagnosis #3
physician's diagnosis #1 - broad
physician's diagnosis #2 - broad
physician's diagnosis #3 - broad
urgency of this visit
is visit alcohol or drug related?
were medications/injections ordered/provided?
number of medications coded
medication #1
medication #2
medication #3
medication #4
medication #5
diagnostic/screening services - none
blood pressure test
urinalysis
hiv serology
chest x-ray
extremity x-ray
other diagnostic imaging
other diag/screen service #1 - 4 digit
other diag/screen service #1 - 3 digit
other diag/screen service #1 - 2 digit
other diag/screen service #2 - 4 digit
other diag/screen service #2 - 3 digit
other diag/screen service #2 - 2 digit
other diag/screen service #3 - 4 digit
other diag/screen service #3 - 3 digit
other diag/screen service #3 - 2 digit
procedures - none
endotracheal intubation
iv fluids
ng tube/gastric lavage
wound care
eye/ent care
orthopedic care
bladder catheter
lumbar puncture
other procedure #1 - 4 digit
other procedure #1 - 3 digit
other procedure #1 - 2 digit
other procedure #2 - 4 digit
other procedure #2 - 3 digit
other procedure #2 - 2 digit
other procedure #3 - 4 digit
other procedure #3 - 3 digit
other procedure #3 - 2 digit
no follow-up planned
return to ed, p.r.n. (as needed)
return to ed - appointment
return to referring physician
refer to other physician/clinic
admitted to hospital
transferred to other facility
doa/died in ed
other disposition
resident/intern seen
staff physician seen
other physician seen
physician assistant/nurse prac seen
registered nurse seen
licensed practical nurse seen
nurse's aide seen
other provider seen
patient visit weight (rounded)
geographic region of hospital
msa/non-msa status of location of hospital
hospital ownership
hospital code
was patient's birth year imputed?
was patient's sex imputed?
was patient's race imputed?
was patient's ethnicity imputed?
was urgency of visit imputed?
was alcohol/drug related imputed?
was disposition of visit imputed?
was providers seen imputed?
generic name code for drug #1
prescription status code for drug #1
controlled substance code for drug #1
composition status code for drug #1
drug class for drug #1
ingredient code #1 for drug #1
ingredient code #2 for drug #1
ingredient code #3 for drug #1
ingredient code #4 for drug #1
ingredient code #5 for drug #1
generic name code for drug #2
prescription status code for drug #2
controlled substance code for drug #2
composition status code for drug #2
drug class for drug #2
ingredient code #1 for drug #2
ingredient code #2 for drug #2
ingredient code #3 for drug #2
ingredient code #4 for drug #2
ingredient code #5 for drug #2
generic name code for drug #3
prescription status code for drug #3
controlled substance code for drug #3
composition status code for drug #3
drug class for drug #3
ingredient code #1 for drug #3
ingredient code #2 for drug #3
ingredient code #3 for drug #3
ingredient code #4 for drug #3
ingredient code #5 for drug #3
generic name code for drug #4
prescription status code for drug #4
controlled substance code for drug #4
composition status code for drug #4
drug class for drug #4
ingredient code #1 for drug #4
ingredient code #2 for drug #4
ingredient code #3 for drug #4
ingredient code #4 for drug #4
ingredient code #5 for drug #4
generic name code for drug #5
prescription status code for drug #5
controlled substance code for drug #5
composition status code for drug #5
drug class for drug #5
ingredient code #1 for drug #5
ingredient code #2 for drug #5
ingredient code #3 for drug #5
ingredient code #4 for drug #5
ingredient code #5 for drug #5
patient race recode: white, black, other
patient code
psu stratum marker (masked)
psu marker (masked)
survey year (1993)
survey identifier (constant=2 for nhamcs)
provider stratum marker
provider code
hospital department code
hospital sampling unit code
hospital clinic code
stratum counts of psus (masked)
# of clinic sampling units in hos (masked)
estimated provider visit volume (masked)
estimated # of inscope providers in psu (masked)