STANDARD DATA DICTIONARY #757.018 -- SNOMED CT HIERARCHY FILE 3/24/25 PAGE 1
STORED IN ^LEX(757.018, (61 ENTRIES) SITE: WWW.BMIRWIN.COM UCI: VISTA,VISTA (VERSION 2.0)
DATA NAME GLOBAL DATA
ELEMENT TITLE LOCATION TYPE
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SNOMED CT concepts are organized in hierarchies with multiple levels of granularity. This file stores the names of the hierarchies
and when applicable, the Lexicon Subset the hierarchy is a member of.
DD ACCESS: @
RD ACCESS: @
WR ACCESS: @
DEL ACCESS: @
LAYGO ACCESS: @
AUDIT ACCESS: @
POINTED TO BY: HIERARCHY field (#2) of the DESIGNATION CODE sub-field (#757.118) of the EXPRESSIONS File (#757.01)
CROSS
REFERENCED BY: ABBREVIATION(ABR), NAME(B), NAME(C)
757.018,.01 NAME 0;1 FREE TEXT (Required)
INPUT TRANSFORM: K:$L(X)>100!($L(X)<3)!'(X'?1P.E) X
LAST EDITED: SEP 15, 2014
HELP-PROMPT: Answer must be 3-100 characters in length.
DESCRIPTION: This field contains the name of a SNOMED CT hierarchy (e.g., Disorder, Procedure, Finding,
Organism, Body Structure, Substance, Observable Entity, Physical Object, Occupation, Specimen,
etc.)
CROSS-REFERENCE: 757.018^B
1)= S ^LEX(757.018,"B",$E(X,1,30),DA)=""
2)= K ^LEX(757.018,"B",$E(X,1,30),DA)
^LEX(757.018,"B",NAME,IEN) - Where NAME is the name of a Hierarchy in the SNOMED CT Hierarchy file
(757.018) and IEN is the Internal Entry Number where the hierarchy name is located in the SNOMED CT
Hierarchy file (757.018).
CROSS-REFERENCE: 757.018^C^MUMPS
1)= S ^LEX(757.018,"C",$$UP^XLFSTR($E(X,1,30)),DA)=""
2)= K ^LEX(757.018,"C",$$UP^XLFSTR($E(X,1,30)),DA)
^LEX(757.018,"C",UPPER,IEN) - Where UPPER is the uppercase name of a Hierarchy in the SNOMED CT
Hierarchy file (757.018) and IEN is the Internal Entry Number where the hierarchy name is located
in the SNOMED CT Hierarchy file (757.018).
757.018,.02 ABBREVIATION 0;2 FREE TEXT
INPUT TRANSFORM: K:$L(X)>3!($L(X)<3) X
LAST EDITED: SEP 15, 2014
HELP-PROMPT: Answer must be 3 characters in length.
DESCRIPTION: This is a three character unique abbreviation representing the SNOMED CT hierarchy (e.g., DIS, PRC,
FND, ORG, BDS, SUB, OBS, OBJ, OCC, etc.)
CROSS-REFERENCE: 757.018^ABR^MUMPS
1)= S ^LEX(757.018,"ABR",$$UP^XLFSTR($E(X,1,3)),DA)=""
2)= K ^LEX(757.018,"ABR",$$UP^XLFSTR($E(X,1,3)),DA)
^LEX(757.018,"ABR",ABBR,IEN) - Where ABBR is the abbreviation for a Hierarchy in the SNOMED CT
Hierarchy file (757.018) and IEN is the Internal Entry Number where the hierarchy abbreviation is
located in the SNOMED CT Hierarchy file (757.018).
757.018,.03 NUMBER 0;3 NUMBER
INPUT TRANSFORM: K:+X'=X!(X>7000000)!(X<0)!(X?.E1"."1.N) X
LAST EDITED: SEP 15, 2014
HELP-PROMPT: Type a number between 0 and 7000000, 0 decimal digits.
DESCRIPTION: This is the number of SNOMED CT concepts that fall into the hierarchy. This is for internal use
only.
757.018,1 SUBSET MEMBERSHIP 1;0 POINTER Multiple #757.181
DESCRIPTION:
This is a list of the Lexicon Subsets this hierarchy can belong to.
757.181,.01 SUBSET 0;1 POINTER TO SUBSET DEFINITIONS FILE (#757.2) (Multiply asked)
LAST EDITED: SEP 15, 2014
HELP-PROMPT: Enter a subset this Hierarchy component belongs to.
DESCRIPTION: This is a Lexicon Subsets this hierarchy can belong to. Lexicon Subsets are found in the Subset
Definition file #757.2.
CROSS-REFERENCE: 757.181^B
1)= S ^LEX(757.018,DA(1),1,"B",$E(X,1,30),DA)=""
2)= K ^LEX(757.018,DA(1),1,"B",$E(X,1,30),DA)
^LEX(757.018,HIER,1,"B",SUB,IEN) - where HIER is the Internal Entry Number of the Hierarchy in
the SNOMED CT Hierarchy file #757.018 which an associated Subset, SUB is a pointer to a subset in
the Subset Definition file #757.2, and IEN is the Internal Entry Number in the Subset Membership
Sub-File #757.181 where the associated subset is located.
FILES POINTED TO FIELDS
SUBSET DEFINITIONS (#757.2) SUBSET MEMBERSHIP:SUBSET (#.01)
INPUT TEMPLATE(S):
PRINT TEMPLATE(S):
SORT TEMPLATE(S):
FORM(S)/BLOCK(S):