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). It is also used when the FT1-19-diagnosis code-FT1 does not provide sufficient information for a billing system. This diagnosis coding should be distinguished from the clinical problem segment used by caregivers to manage the patient (see Chapter 12, Patient Care). Coding methodologies are also defined.

Figure 6-2. DG1 attributes

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C.LenElementv2.3FHIR
1..4-SIR1-00375DG1-1Set ID - DG1Name-
2..2-ID(B) R1005300376DG1-2Diagnosis Coding MethodOptionality-
3..60-CE_0051O1005100377DG1-3Diagnosis Code - DG1Name3 mappings
4..40-STB1-00378DG1-4Diagnosis Description3 mappings
5..26-TSO1-00379DG1-5Diagnosis Date/Time3 mappings
6..2-ISR1005200380DG1-6Diagnosis Type2 mappings
7..60-CE_0118B1011800381DG1-7Major Diagnostic Category-
8..60-CE_0055B1005500382DG1-8Diagnostic Related GroupLength-
9..1-IDB1013600383DG1-9DRG Approval IndicatorLength-
10..2-ISB1005600384DG1-10DRG Grouper Review Code-
11..60-CE_0083B1008300385DG1-11Outlier Type-
12..3-NMB1-00386DG1-12Outlier Days-
13..12-CPB1-00387DG1-13Outlier Cost-
14..4-STB1-00388DG1-14Grouper Version And TypeName-
15..2-IDO1035900389DG1-15Diagnosis Priority32 mappings
16..60-XCNO*-00390DG1-16Diagnosing Clinician3 mappings
17..3-ISO1022800766DG1-17Diagnosis Classification-
18..1-IDO1013600767DG1-18Confidential Indicator-
19..26-TSO1-00768DG1-19Attestation Date/Time9 mappings
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