HL7 v2.2
Final ReleasePublished December 1994 · successor to HL7 v2.1
What's changed in v2.2
Changes from v2.1 to v2.2
1610
Total Changes
64
Segments Affected
69
Data Types Affected
367
New Fields
ACCIDENT
7 changes
ADDENDUM
3 changes
PATIENT ALLERGY INFORMATION
6 changes
BATCH HEADER
26 changes
BILLING
8 changes
BATCH TRAILER
8 changes
DIAGNOSIS
31 changes
CONTINUATION POINTER
3 changes
DISPLAY DATA
9 changes
ERROR
2 changes
EVENT TYPE
9 changes
FILE HEADER
25 changes
FINANCIAL TRANSACTION
54 changes
FILE TRAILER
5 changes
GUARANTOR
43 changes
INSURANCE
102 changes
INSURANCE ADDITIONAL INFO
30 changes
INSURANCE ADDITIONAL INFO-CERTIFICATION
25 changes
MASTER FILE ACKNOWLEDGEMENT
5 changes
MASTER FILE ENTRY
4 changes
MASTER FILE IDENTIFICATION
6 changes
MERGE PATIENT INFORMATION
13 changes
MESSAGE ACKNOWLEDGMENT
9 changes
MESSAGE HEADER
28 changes
System Clock
2 changes
NEXT OF KIN
20 changes
BED STATUS UPDATE
4 changes
STATUS CHANGE
17 changes
Statistics
32 changes
NOTES AND COMMENTS
8 changes
OBSERVATION REQUEST
104 changes
OBSERVATION RESULT
33 changes
DIETARY ORDERS, SUPPLEMENTS, and PREFERENCES
4 changes
DIET TRAY INSTRUCTION
3 changes
GENERAL - fields that apply to most observations
42 changes
NUMERIC OBSERVATION
11 changes
CATEGORICAL TEST/OBSERVATION
8 changes
OBSERVATION that require specimens
15 changes
OBSERVATION BATTERIES
4 changes
OBSERVATIONS that are calculated from other obersvations
3 changes
COMMOM ORDER
46 changes
ORDER OTHER
4 changes
PATIENT IDENTIFICATION
57 changes
PROCEDURES
31 changes
practitioner detail
7 changes
PATIENT VISIT
122 changes
PATIENT VISIT - additional information
9 changes
QUERY DEFINITION
21 changes
QUERY FILTER
14 changes
REQUISITION DETAIL-1
7 changes
REQUISITION DETAIL
10 changes
PHARMACY ORDER
30 changes
PHARMACY AADMINISTRATION
12 changes
PHARMACY COMPONENT ORDER
4 changes
PHARMACY DISPENSE
15 changes
PHARMACY ENCODED ORDER
24 changes
PHARMACY GIVE
16 changes
PHARMACY PRESCRIPTION ORDER
17 changes
PHARMACY ROUTE
4 changes
staff identification segment
16 changes
UB82 DATA
58 changes
UB92 DATA
16 changes
RESULTS/UPDATE DEFINITION
14 changes
UNSOLICITED SELECTION
14 changes
address
3 changes
CE with table 49
6 changes
CE bound to table 51
6 changes
CE bound to table 63
6 changes
CE bound to table 66
6 changes
CE bound to table 118
6 changes
CE bound to table 129
6 changes
CE bound to table 131
6 changes
CE bound to table 132
6 changes
CE bound to table 160
6 changes
CE bound to table 162
6 changes
CE bound to table 163
6 changes
CE bound to table 164
6 changes
CE bound to table 165
6 changes
CE bound to table 175
6 changes
CE bound to table 181
6 changes
CE bound to table 184
6 changes
composite ID with check digit
3 changes
Account number
4 changes
Patient ID with check digit
4 changes
absolute range
4 changes
authorization information
3 changes
CM for Batch Totals
2 changes
charge time
2 changes
daily deductible
3 changes
activation date
2 changes
discharge location
2 changes
delta check
4 changes
Day Type and Number
2 changes
parent order
2 changes
error
4 changes
Filler order number
2 changes
Financial transaction
2 changes
Order group number
2 changes
Internal location
8 changes
Job code/class
2 changes
Location with address information
2 changes
Driver's license number
2 changes
Charge To Practise
2 changes
Message Type
2 changes
observing practitioner
4 changes
occurence
2 changes
occurence span
3 changes
Patient ID
5 changes
Patient ID with table 0192
5 changes
Pre-certification required
3 changes
penalty
2 changes
Privileges
4 changes
Placer order number
2 changes
Practitioner ID Numbers
3 changes
Seat/location position
3 changes
Practitioner performing procedure
2 changes
Policy Type
3 changes
Value range
2 changes
reference range
7 changes
interval
2 changes
Room Coverage
3 changes
Specialty
4 changes
specimen source
5 changes
Value code and amount
2 changes
value qualifier
2 changes
Composite ID and name
8 changes
Physician ID and name
13 changes
composite quantity with units
2 changes
Composite quantity with units
2 changes
person name
1 change
timing quantity
10 changes
time stamp
2 changes
Varies
1 change
Most used in v2.2
Structural usage across the specification — not popularity, arithmetic.