LINKMED® Interface Tutorial: HL7 ADT Segments and Fields

6.7 PV2-Patient Visit Segment

The PV2 segment is a continuation of visit-specification information contained in the PV1 segment.
This Segment is optional

Seq
Element Name
Req
Len
Comments
0
Segment ID (PV2)
R
3 "PV2"
1
PriorPendingLocation
O
80  
2
AccommodationCode
O
250  
3
AdmitReason
O
250  
4
TransferReason
O
250  
5
PatientValuables
O
25  
6
PatientValuablesLocation
O
25  
7
VisitUserCode
O
2  
8
ExpectedAdmitDateTime
O
26 YYYYMMDDHHMM[SS]
9
ExpectedDischargeDateTime
0
26
YYYYMMDDHHMM[SS]
10
EstimatedLengthofInpatientStay
O
3  
11
ActualLengthofInpatientStay
O
3  
12-49
Fields 12-49
O
   

6.8 AL1-Allergy Information Segment

This segment contains and describes a single patient's allergy information. This information will arrive from user-defined tables.

Seq
Element Name
Req
Len
Comments

0

Segment ID (AL1)

R

3

“AL1”

1

Set ID – Allergy Information

O

4

LINKMED® HL7TEMPLATE Field

2

Allergy Type

O

2

 

3

Allergy Description

R

15

User can increase Mapper 's field length if necessary

4

Allergy Severity

O

2

 

5

Allergy Reaction

O

15

 

6

Identification Date

O

8

 

6.9 DG1-Diagnosis Segment

The DG1 segment contains patient diagnosis information of various types, for example, admitting, primary,etc. The DG1 segment is used to send multiple diagnoses (for example, for medical records encoding). This diagnosis coding should be distinguished from the clinical problem segment used by caregivers to manage the patient care.

Seq
Element Name
Req
 
Len
Comments

0

Segment ID (DG1)

R

 

3

"DG1"

1
SetID-DG1
R
 
4
LINKMED® HL7TEMPLATE Field
2
DiagnosisCodingMethod
O
 
2
 
3
DiagnosisCode-DG1
O
 
250
 
4
DiagnosisDescription
O
 
40
 

5

Diagnosis Date/Time

O

 

  26

YYYMMDDHHMM[SS]

6

Diagnosis Type

O

 

2

 

7
Major Diagnostic Category
O
 
250
 
8
Diagnostic Related Group
O
 
250
 
8-19  Fields 8-19
O
     

R = Required, CR = Conditionally Required, O = Optional, NU = Not Used, N = Numeric, AN = Alpha/Numeric, ID = Segment Identification

 


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