; Specimen collection duration
; Call with LA7VAL = collection duration
; LA764061 = IEN of units in file #64.061
; LA7953 = LOINC code
; LA74 = performing institution
; LA7OBXSN = sequence id of this OBX segment
; LA7HLSN = segment counter for message (pass by reference)
; LA7FS = HL field separator
; LA7ECH = HL encoding characters
; LA76249 = IEN of entry in #62.49
; Send patient height
; Call with LA7VAL = patient height
; LA764061 = IEN of units in file #64.061
; LA7953 = LOINC code
; LA74 = performing institution
; LA7OBXSN = sequence id of this OBX segment
; LA7HLSN = segment counter for message (pass by reference)
; LA7FS = HL field separator
; LA7ECH = HL encoding characters
; LA76249 = IEN of entry in #62.49
; Send patient weight
; Call with LA7VAL = patient weight
; LA764061 = IEN of units in file #64.061
; LA7953 = LOINC code
; LA74 = performing institution
; LA7OBXSN = sequence id of this OBX segment
; LA7HLSN = segment counter for message (pass by reference)
; LA7FS = HL field separator
; LA7ECH = HL encoding characters
; LA76249 = IEN of entry in #62.49
; Specimen collection volume
; Call with LA7VAL = collection volume
; LA764061 = IEN of units in file #64.061
; LA7953 = LOINC code
; LA74 = performing institution
; LA7OBXSN = sequence id of this OBX segment
; LA7HLSN = segment counter for message (pass by reference)
; LA7FS = HL field separator
; LA7ECH = HL encoding characters
; LA76249 = IEN of entry in #62.49