| $$D10ONE(IEN,DATE) |
Returns either a single active ICD-10 Diagnosis code
linked to the Lexicon expression or Null if no ICD-10 Diagnosis code is found.
|
| VARIABLES |
TYPE |
VARIABLES DESCRIPTION |
IEN |
Input |
Internal Entry Number in the Expression file
^LEX(757.01).
|
DATE |
Input |
This is a date in Fileman format used to check if a
code is active or inactive on a specified date. If not supplied, it will
default to TODAY.
|
$$D10ONE |
Output |
A single active ICD-10 Diagnosis code or Null if no
ICD-10 Diagnosis code is found.
|
|
$$D10(IEN,DATE) |
Returns either a string of active ICD-10 Diagnosis
codes linked to an expression (separated by semicolon, i.e.,
ICD10;ICD10;ICD10) or Null If no ICD-10 Diagnosis codes are found.
|
| VARIABLES |
TYPE |
VARIABLES DESCRIPTION |
IEN |
Input |
Internal Entry Number in the Expression file
^LEX(757.01).
|
DATE |
Input |
This is a date in Fileman format used to check if a
code is active or inactive on a specified date. If not supplied, it will
default to TODAY.
|
$$D10 |
Output |
A string of active ICD-10 Diagnosis codes linked to
an expression (separated by semicolon, i.e., ICD.10;ICD.10;ICD.10) or Null if
no ICD-10 Diagnosis codes are found.
|
|
$$P10ONE(IEN,DATE) |
Returns either a single active ICD-10 Procedure code
linked to the Lexicon expression or Null if no icd-10 Procedure code is found.
|
| VARIABLES |
TYPE |
VARIABLES DESCRIPTION |
IEN |
Input |
Internal Entry Number in the Expression file
^LEX(757.01).
|
DATE |
Input |
This is a date in Fileman format used to check if a
code is active or inactive on a specified date. If not supplied, it will
default to TODAY.
|
$$P10ONE |
Output |
A single active ICD-10 Procedure code or Null if no
ICD-10 Procedure code is found.
|
|
$$ONE(IEN,DATE,SAB) |
Returns a single code for a given internal entry
number (IEN) for a specified date and source.
|
| VARIABLES |
TYPE |
VARIABLES DESCRIPTION |
IEN |
Input |
Internal Entry Number in the Expression file
^LEX(757.01).
|
DATE |
Input |
This is a date in Fileman format used to check if a
code is active or inactive on a specified date. If not supplied, it will
default to TODAY.
|
SAB |
Input |
Source, this is an internal entry number in file
757.03 or the 3 character source mnemonic (found on the ASAB cross-reference
in file 757.03) or the SOURCE ABBREVIATION (.01 field in file 757.03)
|
$$ONE |
Output |
Code - A single code belonging to the specified
coding identified by the input parameter
SAB and was active on the date provided
and linked to the expression (IEN). or
Null No code exist for the coding system on the
specified date and for the expression.
|
|
$$ALL(IEN,DATE,SAB) |
Returns all classification codes for a given internal
entry number (IEN) for a specified date and source.
|
| VARIABLES |
TYPE |
VARIABLES DESCRIPTION |
IEN |
Input |
Internal Entry Number in the Expression file
^LEX(757.01).
|
DATE |
Input |
This is a date in Fileman format used to check if a
code is active or inactive on a specified date. If not supplied, it will
default to TODAY.
|
SAB |
Input |
Source, this is an internal entry number in file
757.03 or the 3 character source mnemonic (found on the ASAB cross-reference
in file 757.03) or the SOURCE ABBREVIATION (.01 field in file 757.03)
|
$$ALL |
Output |
A string of codes for the source provided (one or
more) delineated by a semi-colon or null if no codes are found for the source.
|
|
$$IMPDATE(SAB) |
This entry point (extrinsic function) returns the
implementation date for a specified source.
|
| VARIABLES |
TYPE |
VARIABLES DESCRIPTION |
SAB |
Input |
Source, this is an internal entry number in file
757.03 or the 3 character source mnemonic (found on the ASAB cross-reference
in file 757.03) or the SOURCE ABBREVIATION (.01 field in file 757.03)
|
$$IMPDATE |
Output |
The date that a coding system was implemented in
VistA in Fileman format.
|
|
$$CSYS(SYS,VDT) |
This entry point returns information about a coding
system on file in the Coding System file #757.03.
|
| VARIABLES |
TYPE |
VARIABLES DESCRIPTION |
SYS |
Input |
Coding system identification system and can be in any
of the following formats:
A nickname if one exist, i.e. HCPCS, DSM,
NANDA, BIRADS
First three characters of source abbreviation
from file 757.03, field .01
Source Abbreviation (file 757.03, field .01),
i.e., ICD9, CPT4, SNM2
Nomenclature (file 757.03, field 1), i.e.,
ICD-9-CM, ICD-10-PCS, NANDA
Type (only for ICD), i.e., "DIAG" or "PROC"
(requires date)
|
VDT |
Input |
Versioning date in Fileman format used to determine
coding system if only the type is known (DIAG or PROC) and to determine the
correct SDO version if one exists. If the date is not passed, then TODAY is
used.
|
$$CSYS |
Output |
A 13 piece caret (^) delimited string
1 IEN
2 SAB (3 character source abbreviation)
3 Source Abbreviation (3-7 char) (#.01)
4 Nomenclature (2-11 char) (#1)
5 Source Title (2-52 char) (#2)
6 Source (2-50 char) (#3)
7 Entries (numeric) (#4)
8 Unique Entries (numeric) (#5)
9 Inactive Version (1-20 char) (#6)
10 HL7 Coding System (2-40 char) (#7)
11 SDO Version Date (date) (757.08 #.01)
12 SDO Version Id (1-40 char) (757.08 #1)
13 Implementation Date (date) (#11)
|
|
$$HIST(CODE,SYS,.ARY) |
This entry point returns a codes activation history
in an array passed by reference.
|
| VARIABLES |
TYPE |
VARIABLES DESCRIPTION |
CODE |
Input |
This is a classification code found in the CODES file
757.02 (Required)
|
SYS |
Input |
This is a coding system found in the CODING SYSTEMS
file 757.03. It can be in the form of a pointer, a source abbreviation or the
name of a coding nomenclature (Required)
|
.ARY |
Both |
This is an array of status effective dates and
activation status passed by reference (Required)
ARY(0) = Number of Activation History
ARY(0,0) = Code ^ Source ^ Source Name
ARY(<date>,<status>) = Comment
Status
0 = Inactive
1 = Active
Comments include:
Activated
Inactivated
Re-activated
Revised
Reused
If the date is in the future, the comment will be appended with "(Pending)"
indicating that the action activated, inactivated, etc., hasn't occurred yet.
|
$$HIST |
Output |
This is the number of activation history entries
found
or
-1 ^ error message
|
|
$$PERIOD(CODE,SYS,ARY) |
This entry point returns the activation periods
(active from and to) of a code in an array passed by reference.
|
| VARIABLES |
TYPE |
VARIABLES DESCRIPTION |
CODE |
Input |
This is a classification code found in the CODES file
757.02 (Required)
|
SYS |
Input |
This is a coding system found in the CODING SYSTEMS
file 757.03. It can be in the form of a pointer, a source abbreviation or the
name of a coding nomenclature (Required)
|
.ARY |
Both |
This is an array of activation periods (including
active on date and inactive on date when inactive) passed by reference
(Required)
ARY(0) 6 piece "^" delimited string
1 Number of Activation Periods found
2 Coding System (pointer to file 775.03)
3 Coding System Abbreviation
4 Coding System Nomenclature
5 Coding System Full Name
6 Coding System Source
or
-1 ^ Message (no period or error)
ARY(Activation Date) = 4 piece "^" delimited string
1 Inactivation Date
(conditional)
2 Pointer to Expression file 757.01
for the code in piece #2 above
(required)
3 Variable Pointer IEN;Root of a
national file (see below) Include
when the code exist in an national
file (conditional)
CPT Procedure code IEN;ICPT(
ICD Diagnosis code IEN;ICD9(
ICD Procedure code IEN;ICD0(
4 Short Description from the SDO file
(CPT or ICD)
ARY(Activation Date,0) = Lexicon Expression
|
$$PERIOD |
Output |
This is the number of activation periods found:
Same as output variable ARY(0)
or
-1 ^ error message
|
|
$$DX(IEN,VDT) |
This entry point is to be used as a screen Lexicon
searches. It will screen out all terms not linked to either an ICD-9 or ICD-10
code. The code type (ICD-9 or ICD-10) is determined by date. If the date
passed in is before the ICD-10 implementation date then it will screen on
ICD-9 codes. If the date is on or after the ICD-10 implementation date then
it will screen on ICD-10 codes.
Assuming the variable VDT is a valid Fileman format date:
Screen on ICD Diagnosis
S DIC("S")="I $$DX^LEXU(+Y,VDT)"
VDT is before ICD-10 implementation = ICD-9
VDT is on or after ICD-10 implementation = ICD-10
If the date is not passed, then TODAY is used.
|
| VARIABLES |
TYPE |
VARIABLES DESCRIPTION |
IEN |
Input |
This is an internal entry number in the expression
file 757.01. When performing Fileman lookups, set it to the variable +Y.
(Required)
|
VDT |
Input |
This is the versioning date against which the codes
found by the search will be compared in order to determine whether the code is
active or inactive. Additionally if the date passed is earlier that the
ICD-10 implementation date then the screen will only condider ICD-9 codes. If
the date is on or after the ICD-10 implementation date then the screen will
only consider ICD-10 codes. If the date is not passed, then TODAY's date will
be used. (Optional)
|
$$DX |
Output |
This is a Boolean value:
$$DX = 1 (true) if the Lexicon entry is linked
to an active ICD code of the type specified by the
input parameter TYPE.
$$DX = 0 (false) if the Lexicon entry is not
linked to an active ICD code of the type specified
by the input parameter TYPE.
|
|
$$CSDATA(CODE,CSYS,VDT,.ARY) |
This entry point returns information about a code
from a specified coding system. It is intended to be similar to
ICDDATA^ICDXCODE except it is not limited to ICD coding systems.
|
| VARIABLES |
TYPE |
VARIABLES DESCRIPTION |
CODE |
Input |
This is a code found in file 757.02 (CODES file).
|
CSYS |
Input |
This is a pointer to the CODING SYSTEMS file 757.03
that identifies the coding system that CODE belongs to. It is important to
specify the coding system because some codes overlap various coding systems.
|
VDT |
Input |
This is the date that will be used to determine the
status of the code in the CODE input parameter. The status will either be
Inactive or Active.
|
.ARY |
Both |
This is the name of a local array passed by reference
that will contain the output.
ARY()
Lexicon Data
ARY("LEX",1) IEN ^ Preferred Term
ARY("LEX",2) Status ^ Effective Date
ARY("LEX",3) IEN ^ Major Concept Term
ARY("LEX",4) IEN ^ Fully Specified Name
ARY("LEX",5) Hierarchy (if it exists)
ARY("LEX",6,0) Synonyms/Other Forms
ARY("LEX",6,1) Synonym #1
ARY("LEX",6,n) #n
ARY("LEX",7,0) Semantic Map
ARY("LEX",7,1,1) Class ^ Type (internal)
ARY("LEX",7,1,2) Class ^ Type (external)
ARY("LEX",7,1,n) #n
ARY("LEX",7,1,n) #n
ARY("LEX",8) Deactivated Concept Flag
Coding System Data
ARY("SYS",1) IEN
ARY("SYS",2) Short Name
ARY("SYS",3) Age High
ARY("SYS",4) Age Low
ARY("SYS",5) Sex
ARY("SYS",6,0) MDC/DRG Pairing
ARY("SYS",6,1,1) MDC
ARY("SYS",6,1,2) DRGs
ARY("SYS",6,n,1) #n
ARY("SYS",6,n,2) #n
ARY("SYS",7) Complication/Comorbidity
ARY("SYS",8) MDC13
ARY("SYS",9) MDC24
ARY("SYS",10) MDC24
ARY("SYS",11) Unacceptable as Principal Dx
ARY("SYS",12) Major O.R. Procedure
ARY("SYS",13) Procedure Category
ARY("SYS",14,0) Description
ARY("SYS",14,1) Text 1
ARY("SYS",14,n) #n
Each data element will be in the following format:
ARY(ID,SUB) = DATA
ARY(ID,SUB,"N") = NAME
Where
ID Identifier, may be:
"LEX" for Lexicon data
"SYS" for Coding System data
SUB Numeric Subscript
DATA This may be:
A value if it applies and is found
Null if it applies but not found
N/A if it does not apply
NAME This is the common name given to the
data element
Example:
S X=$$CSDATA^LEXU("C18.6",30,3141010,.ARY)
X=1
ARY("LEX",1)="267081^Malignant neoplasm of descending colon"
ARY("LEX",1,"N")="IEN ^ Preferred Term" ARY("LEX",2)="1^3131001"
ARY("LEX",2,"N")="Status ^ Effective Date" ARY("LEX",3)="267081^Malignant
neoplasm of descending colon" ARY("LEX",3,"N")="IEN ^ Major Concept Term"
ARY("LEX",4)="" ARY("LEX",4,"N")="IEN ^ Fully Specified Name" ARY("LEX",5)=""
ARY("LEX",5,"N")="Hierarchy (if exists)" ARY("LEX",6,0)=0
ARY("LEX",6,0,"N")="Synonyms and Other Forms" ARY("LEX",7,0)=1
ARY("LEX",7,0,"N")="Semantic Map" ARY("LEX",7,1,1)="6^47"
ARY("LEX",7,1,1,"N")="Semantic Class ^ Semantic Type (internal)"
ARY("LEX",7,1,2)="Diseases/Pathologic Processes^Disease or Syndrome"
ARY("LEX",7,1,2,"N")="Semantic Class ^ Semantic Type (external)"
ARY("LEX",8)="" ARY("LEX",8,"N")="Deactivated Concept Flag"
ARY("SYS",1)=501148 ARY("SYS",1,"N")="IEN" ARY("SYS",2)="Malignant neoplasm of
descending colon" ARY("SYS",2,"N")="Short Name" ARY("SYS",3)=""
ARY("SYS",3,"N")="Age High" ARY("SYS",4)="" ARY("SYS",4,"N")="Age Low"
ARY("SYS",5)="" ARY("SYS",5,"N")="Sex" ARY("SYS",6,0)=0
ARY("SYS",6,0,"N")="MDC/DRG" ARY("SYS",7)=""
ARY("SYS",7,"N")="Complication/Comorbidity" ARY("SYS",8)=""
ARY("SYS",8,"N")="MDC13" ARY("SYS",9)="" ARY("SYS",9,"N")="MDC24"
ARY("SYS",10)="" ARY("SYS",10,"N")="MDC24" ARY("SYS",11)=""
ARY("SYS",11,"N")="Unacceptable as Principal Dx" ARY("SYS",12)="N/A"
ARY("SYS",13)="N/A" ARY("SYS",14,0)=1 ARY("SYS",14,0,"N")="Description"
ARY("SYS",14,1)="MALIGNANT NEOPLASM OF DESCENDING COLON"
|
$$CSDATA |
Output |
This is a boolean value:
1 if the API is successful (fully or partial)
0 if the API is unsuccessful
or
-1 ^ Error Message
|
|
$$FREQ(TEXT) |
This API checks the frequency of use of keywords
contained in a text string in the Lexicon.
|
| VARIABLES |
TYPE |
VARIABLES DESCRIPTION |
TEXT |
Input |
This is a text string intended as the input for a
Lexicon search.
|
$$FREQ |
Output |
This is the maximum number of records that must be
inspected during a Lexicon search to find matching entries for the input
search text.
If this number is too high, applications can prompt the user to either
continue with the search or to further refine the search.
|
|
$$MAX(SYS) |
This API returns the SEARCH THRESHOLD field #12 of
the CODING SYSTEMS file #757.03.
|
| VARIABLES |
TYPE |
VARIABLES DESCRIPTION |
SYS |
Input |
This is a pointer to the CODING SYSTEM file #757.03.
|
$$MAX |
Output |
This is the value stored in the SEARCH THRESHOLD
field #12 of the CODING SYSTEMS file 757.03. This value, along with the value
of $$FREQ^LEXU, can be used to evaluate if a search should continue or be
further refined.
$$FREQ The maximum number or records to inspect
during a search based on the input text
string.
$$MAX The maximum number of records to consider
for a coding system before refining the
search.
|
|
$$CAT(CODE) |
This API returns the category (i.e., header) of an
ICD Diagnosis code.
|
| VARIABLES |
TYPE |
VARIABLES DESCRIPTION |
CODE |
Input |
This is a valid ICD Diagnosis code.
|
$$CAT |
Output |
This is the category (or header) to which the ICD
Diagnosis code belongs.
|
|
$$ISCAT(CODE) |
This API determines if an ICD-10 string is an ICD
category.
|
| VARIABLES |
TYPE |
VARIABLES DESCRIPTION |
CODE |
Input |
This is a string used to determine if it is an ICD-10
code or a category.
|
$$CODE |
Output |
This is a 4 piece "^" delimited string containg the
following:
1 Category flag
1 CODE is a Category
0 CODE is not a Category
2 Number of Sub-Categories belonging
to the Category
3 Number of Codes belonging to the
Category
4 Parent Category
Parent Category
Null if no Parent Category
|
|
$$PFI(FRAG,CDT,.ARY) |
This API returns a local array containing information
about an ICD-10 procedure code fragment.
|
| VARIABLES |
TYPE |
VARIABLES DESCRIPTION |
FRAG |
Input |
This is a string representing a fragment of an ICD-10
procedure code. An ICD-10 code is 7 characters long and a code fragment is a
portion of the code starting at character position #1 and not to exceed 6
characters in length.
|
CDT |
Input |
This is the versioning date used to select an entry
that was appropriate on the date passed. If no date is passed, TODAY is used.
Busines rules apply, if the date passed is before the implementation date for
ICD-10, then the implementation date is used.
|
.ARY |
Both |
This is a local array passed by reference that will
contain information about a code fragment.
ARY(0) 5 piece "^" delimited strig
1 Unique Id
2 Code Fragment
3 Date Entered
4 Source
5 Details
ARY(1) 4 piece "^" delimited string
1 Effective Date
2 Status
3 Effective Date External
4 Status External
ARY(2) Name/Title
ARY(3) Description
ARY(4) Explanation
ARY(5,0) # of synonyms included
ARY(5,n) Included synonyms
|
$$PFI |
Output |
This is a success flag
1 on success
-1 ^ error message on error
|
|
$$NXSAB(SAB,REV) |
This API returns the next Source Abbreviation found
in the CODING SYSTEMS file 757.03 using the ASAB cross-reference. It is the
equivalent of $O(^LEX(757.03,"ASAB",SAB)).
|
| VARIABLES |
TYPE |
VARIABLES DESCRIPTION |
SAB |
Input |
This is either a Source Abbreviation (SAB) from the
.01 field of file 757.03 or null value to find the first SAB.
|
REV |
Input |
This is a reverse flag (optional). If set to 1 the
API will find the next Source Abbreviation in the reverse order (aka, previous
SAB)
|
$$NXSAB |
Output |
This is either the next Source Abbreviation (SAB)
previous SAB (when reverse flag set to 1) or null if the input parameter SAB
has no next SAB.
|
|
$$RECENT(SAB) |
This API returns a boolean valued flag to indicate if
the coding system identified by the source abbreviation has been recently
updated with in a 90 day window (looking forward by 30 days and to the past by
60 days). This is to evaluate if a coding system was updated by a quarterly
patch, and may be used to trigger an code set update protocol.
|
| VARIABLES |
TYPE |
VARIABLES DESCRIPTION |
SAB |
Input |
This is either a 3 character source abbreviation
taken from the .01 field of the CODING SYSTEM file 757.03 or a pointer to the
CODING SYSTEM file 757.03.
|
$$RECENT |
Output |
This is a Boolean valued flag.
1 indicates the Coding System has been recently
updated by a quarterly update by looking 30 days
into the future and 60 days for a change made
to the coding system.
0 indicate the Coding System has NOT been recently
updated by a quarterly update.
|
|
$$RUPD(SAB) |
This API returns a date the coding system identified
by the source abbreviation has been updated based on a recent date (TODAY+3).
This is to evaluate if a coding system was updated by a quarterly patch, and
may be used to trigger an code set update protocol.
|
| VARIABLES |
TYPE |
VARIABLES DESCRIPTION |
SAB |
Input |
This is either a 3 character source abbreviation
taken from the .01 field of the CODING SYSTEM file 757.03 or a pointer to the
CODING SYSTEM file 757.03.
|
$$RUPD |
Output |
This is date found for the last update to a coding
system based on a recent date (TODAY+30)
|
|
$$LUPD(SAB,DATE) |
This API returns the last date the coding system
identified by the source abbreviation has been updated based on the date
supplied (optional). If no date is supplied, the last date will be returned.
|
| VARIABLES |
TYPE |
VARIABLES DESCRIPTION |
SAB |
Input |
This is either a 3 character source abbreviation
taken from the .01 field of the CODING SYSTEM file 757.03 or a pointer to the
CODING SYSTEM file 757.03.
|
DATE |
Input |
This is a date to use to retrieve the last update for
a coding system (optional)
|
$$LUPD |
Output |
This is date found for the last update to a coding
system based on a recent passed or the last date updated if a date is not
passed.
|
|
$$PAR(TXT,.ARY) |
This API takes a string of text and parses the string
into words using the parsing logic used by the Lexicon search engine.
|
| VARIABLES |
TYPE |
VARIABLES DESCRIPTION |
TXT |
Input |
This is a text string intended as the input for a
Lexicon search and will be parsed into words and placed in a local array
(Required)
|
.ARY |
Input |
Local array, passed by reference
|
$$PAR |
Output |
This is the number of words parsed from the text
|
ARY |
Output |
This is a local array containing the words parsed
from the input text. The words are arranged in the order they are found in
the text; in alphabetical order; and in the order they are used in the Lexicon
search (frequency order)
Total words found
ARY(0)=#
Words listed in the order they appear in the input variable TXT
ARY(1)=WORD1
ARY(n)=WORDn
Words listed alphabetically with the frequency of occurrence in the Lexicon
ARY("B",WORDA)=# (Frequency of Use)
ARY("B",WORDB)=#
Words listed in the frequency order. This is the order the words will be used
by the Lexicon search engine, starting with the least frequently used word and
ending with the most frequently used word.
ARY("L",1)=SEARCHWORD1
ARY("L",n)=SEARCHWORDn
|
|
$$SCT(IEN,DATE) |
This entry point is a screen used during searches to
return terms with SNOMED CT codes that are not classified as Veterinary.
|
| VARIABLES |
TYPE |
VARIABLES DESCRIPTION |
IEN |
Input |
Internal Entry Number in the Expression file
^LEX(757.01).
|
DATE |
Input |
This is a date in Fileman format used to check if a
code is active or inactive on a specified date. If not supplied, it will
default to TODAY.
|
$$SCT |
Output |
This is a Boolean value:
$$SCT = 1 (true) if the Lexicon entry is
Linked to an active SNOMED CT code
and the term is not a Veterinary term
$$SCT = 0 (false) if the Lexicon entry is
Not linked to an SNOMED CT code
or the SNOMED CT code is inactive
or the term is a Veterinary term
Excludes terms semantically typed as a Veterinary term.
|
|