Tables [dbo].[Allergen_DE]
Non-Medication allergens
KeyNameData TypeMax Length (Bytes)NullabilityIdentityDefaultDescription
Cluster Primary Key PK_Allergen_DE_ID: IDIndexes TWstat_Allergen_DE_DefinitionSetID_EntryName_IsCurrentFLAG_IDID[dbo].[dict_id]5NOT NULL1 - 1Key to the Allergen_DE table
EnterpriseEntryID[dbo].[uniqueid]9NOT NULLMaster (enterprise) dictionary surrogate key.  Points to Dictionary_Entry.EnterpriseEntryID
Indexes TWstat_Allergen_DE_DefinitionSetID_EntryName_IsCurrentFLAG_IDDefinitionSetID[dbo].[dict_id]5NOT NULLPoints to Dict_Definition_Set.DefinitionSetID but is typically zero.
Entry[dbo].[dict_id]5NOT NULLCalculated during insert as rowcount + 1 from Dict_Definition_Set for this dictionary and set
Indexes NIX_Allergen_DE_EntryCode_WithIncludeColumns, NIX_Allergen_DE_EntryMnemonic_WithIncludeColumns, NIX_Allergen_DE_EntryName_WithIncludeColumns(3)EntryCode[dbo].[code]10NOT NULLUnique alphanumeric code.  Brief but cryptic.
Indexes NIX_Allergen_DE_EntryCode_WithIncludeColumns, NIX_Allergen_DE_EntryMnemonic_WithIncludeColumns, NIX_Allergen_DE_EntryName_WithIncludeColumns, TWstat_Allergen_DE_DefinitionSetID_EntryName_IsCurrentFLAG_ID(4)EntryName[dbo].[name]255NOT NULLUnique alphanumeric "friendly" display name
Indexes NIX_Allergen_DE_EntryCode_WithIncludeColumns, NIX_Allergen_DE_EntryMnemonic_WithIncludeColumns, NIX_Allergen_DE_EntryName_WithIncludeColumns(3)EntryMnemonic[dbo].[code]10NOT NULLTypically the same as the Code value, but can be blank.  If present, it must be unique.
Indexes NIX_Allergen_DE_EntryCode_WithIncludeColumns, NIX_Allergen_DE_EntryMnemonic_WithIncludeColumns, NIX_Allergen_DE_EntryName_WithIncludeColumns(3)Check Constraints CK_Allergen_DE_IsInactiveFLAG_Yes_Or_No : ([IsInactiveFLAG]='N' OR [IsInactiveFLAG]='Y')IsInactiveFLAG[dbo].[BOOL]1NOT NULLY=row is not active; N=row is active.  (Rows are inactivated rather than deleted for history)
Check Constraints CK_Allergen_DE_IsEnforcedFLAG_Yes_Or_No : ([IsEnforcedFLAG]='N' OR [IsEnforcedFLAG]='Y')IsEnforcedFLAG[dbo].[BOOL]1NOT NULLY=row is readonly;  N=row is modifiable
Indexes NIX_Allergen_DE_EntryCode_WithIncludeColumns, NIX_Allergen_DE_EntryMnemonic_WithIncludeColumns, NIX_Allergen_DE_EntryName_WithIncludeColumns, TWstat_Allergen_DE_DefinitionSetID_EntryName_IsCurrentFLAG_ID(4)Check Constraints CK_Allergen_DE_IsCurrentFLAG_Yes_Or_No : ([IsCurrentFLAG]='N' OR [IsCurrentFLAG]='Y')IsCurrentFLAG[dbo].[BOOL]1NOT NULLUsually 'Y' but occasionally used to subordinate rows.  Not exposed to the end user.
EffectiveDTdatetime8NULL allowedTime of last modification  (not "when this row goes into effect")
UNIICodevarchar(10)10NOT NULL('')Unique Ingredient Identifier (UNII) code
AllergenTypevarchar(2)2NOT NULL('FO')Allergen Type
WarnWhenPrescribe[dbo].[BOOL]1NOT NULL('N')Warn Prescriber when the patient has this allergy
SnomedCodevarchar(18)18NOT NULL('')SNOMED code