The PID segment is used by all applications as the primary means of communicating patient identification information. This segment contains permanent patient identifying, and demographic information that, for the most part, is not likely to change frequently.

Figure 3-2 PID attributes

27
C.LenElementv2.1FHIR
1..4-SIO1-00104PID-1Set ID - Patient ID2-
2..16-CK_PAT_IDO1-00105PID-2Patient ID (External ID)44 mappings
3..20-CM_PAT_IDR*-00106PID-3Patient ID (Internal ID)54 mappings
4..12-STO1-00107PID-4Alternate Patient ID24 mappings
5..48-PNR1-00108PID-5Patient NameNamename[1]
6..30-STO1-00109PID-6Mother's Maiden Name22 mappings
7..26-TSO1-00110PID-7Date of Birth43 mappings
8..1-IDO1000100111PID-8Sex2gender
9..48-PNO*-00112PID-9Patient Alias2name[2]
10..1-IDO1000500113PID-10Race2-
11..106-ADO3-00114PID-11Patient Address3address[1]
12..4-IDO1-00115PID-12County code24 mappings
13..40-TNO3-00116PID-13Phone Number - Home22 mappings
14..40-TNO3-00117PID-14Phone Number - Business22 mappings
15..25-STO1-00118PID-15Language - Patient2communication.language
16..1-IDO1000200119PID-16Marital Status2maritalStatus
17..3-IDO1000600120PID-17Religion22 mappings
18..20-CK_PAT_IDO1-00121PID-18Patient Account Number4identifier
19..16-STO1-00122PID-19Social security number - patient25 mappings
20..25-CM_LICENSE_NOO1-00123PID-20Driver's license number - patient3identifier[5]
21..20-CK_PAT_IDO1-00124PID-21Mother's IdentifierNEW$this
22..1-IDO1018900125PID-22Ethnic GroupNEW-
23..25-STO1-00126PID-23Birth PlaceNEW2 mappings
24..2-IDO1-00127PID-24Multiple Birth IndicatorNEWmultipleBirthBoolean
25..2-NMO1-00128PID-25Birth OrderNEWmultipleBirthInteger
26..3-IDO*017100129PID-26CitizenshipNEW3 mappings
27..60-STO1-00130PID-27Veterans Military StatusNEW-
43