SEGMENT
SEGMENT:DESCRIPTION:CHAPTER
SYM:STR:NUM
ACC:accident:6
ADD:addendum:2
AL1:Patient allergy information:3
BHS:batch header:2
BLG:Billing:4
BTS:batch trailer:2
DG1:Diagnosis:6
DSC:Continuation pointer:2
DSP:display data:2
ERR:error:2
EVN:Event type:3
FHS:file header:2
FT1:financial transaction:6
FTS:file trailer:2
GT1:guarantor:6
IN1:insurance:6
IN2:insurance additional info:6
IN3:insurance additional info - certification:6
MFA:master file acknowledgement:8
MFE:master file entry:8
MFI:master file identification:8
MRG:Merge patient information:3
MSA:message acknowledgement:2
MSH:message header:2
NK1:Next of kin:3
NPU:Bed status update:3
NTE:notes and comments:2
OBR:observation request:4
OBX:Observation:7
ODS:dietary orders, supplements, and preferences:4
ODT:diet tray instructions:4
OM1:general - fields that apply to most observations:7
OM2:numeric observation:7
OM3:categorical test/observation:7
OM4:observations that require specimens:7
OM5:observation batteries:7
OM6:observations that are calculated from other observations:7
ORC:common order:4
PID:Patient Identification:3
PR1:Procedures:6
PRA:practitioner detail:8
PV1:patient visit:3
PV2:Patient visit - additional information:3
QRD:query definition:2
QRF:query filter:2
RQ1:requisition detail-1:4
RQD:requisition detail:4
RXA:pharmacy administration:4
RXC:Pharmacy component order:4
RXD:Pharmacy dispense:4
RXE:Pharmacy encoded order:4
RXG:pharmacy give:4
RXO:pharmacy prescription order:4
RXR:pharmacy route:4
STF:staff identification:8
UB1:UB82  data:6
UB2:UB92 data:6
URD:results/update definition:2
URS:unsolicited selection:2
NCK:system clock:-3
NST:statistics:-3
NSC:status change:-3