VistA-WorldVistAEHR/r/LAB_SERVICE-LR-LS/LRDAGE.m

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Mathematica

LRDAGE ;DFW/MRL/DALOI/FHS - RETURN TIMEFRAME IN DAYS, MONTHS OR YEARS; 15 MAR 90
;;5.2;LAB SERVICE;**279,302**;Sep 27, 1994
;Adapted from IDAGE routine
;If period is under 31 days then format is nnd where d=days
;If period is under 2 years then format is nnm where m=month(s)
;In all other cases format is in nny where y=years
;
;
;Entry point from patient file in VA FileManager
;
DFN(DFN,FILE,LRCDT) ; Call returns patient age based on specimen collection date
; Age is returned as day (dy) month (mo) or years (yr)
; DFN = IEN of patient
; FILE = File number where patient is found
; LRCDT = Specimen collection date otherwise age will be calculated
; using the current date
; Sex is a coded value of Male = "M" (default) Female = "F"
; DOD = Date of Death
N LRSAGE
S:'$G(LRCDT) LRCDT=$$DT^XLFDT
S LRCDT=$P(LRCDT,".")
S SEX="M",AGE="99yr"
D GETS^DIQ(FILE,DFN_",",".02;.03;.351","IE","LRSAGE")
S SEX=$G(LRSAGE(FILE,DFN_",",.02,"I")) S:$L(SEX)="" SEX="M"
S DOB=$G(LRSAGE(FILE,DFN_",",.03,"I")) I '$G(DOB) Q
S DOD=$G(LRSAGE(FILE,DFN_",",.351,"I"))
S AGE=$$DATE(DOB,LRCDT)
Q
;
DATE(DOB,LRCDT) ;Entry point if passing only a valid Date without patient
; Dates must be defined in VA FileManager internal format.
; DOB, Date of birth
; LRCDT = collection date
; Date formate error will return 99yr
N X,Y,%DT
I '$G(LRCDT) S LRCDT=$$DT^XLFDT
S DOB=$P(DOB,".")
I '$G(DOB) Q "99yr" ;no DOB passed
S X=DOB,LRCDT=$P(LRCDT,".")
I $S(DOB'=+DOB:1,LRCDT'=+LRCDT:1,1:0) Q "99yr"
I $S(DOB'?7N.NE:1,LRCDT'?7N.NE:1,1:0) Q "99yr"
D ^%DT I Y'>0 Q "99yr" ;invalid date
S X=LRCDT
K %DT D ^%DT I Y'>0 Q "99yr" ;invalid date
;
CALC ;Calculate timeframe based on difference between DOB and collection
; date. Time is stripped off.
; .0001-24 hour = dy
; 0-29 days = dy
; 30-730 dy = mo
; >24 mo = yr
;
I DOB>LRCDT Q "99yr"
I DOB=LRCDT Q "1dy" ;same dates---pass 1 day old
S X=$E(LRCDT,1,3)-$E(DOB,1,3)-($E(LRCDT,4,7)<$E(DOB,4,7))
I X>1 S X=+X_"yr" Q X ;age 2 years or more---pass in years
S X=$$FMDIFF^XLFDT(LRCDT,DOB,1)
I X>30 S X=X\30_"mo" Q X ;over 30 days---pass in months
E S X=X_"dy" Q X ;under 31 days---pass in days
Q "99yr"