source: FOIAVistA/trunk/r/INCOME_VERIFICATION_MATCH-IVM/IVMUFNC1.m@ 1540

Last change on this file since 1540 was 628, checked in by George Lilly, 15 years ago

initial load of FOIAVistA 6/30/08 version
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1IVMUFNC1 ;ALB/SEK - INPATIENT/OUTPATIENT CALCULATIONS ; 06/19/2003
2 ;;2.0;INCOME VERIFICATION MATCH ;**3,11,80**; 21-OCT-94
3 ;;Per VHA Directive 10-93-142, this routine should not be modified.
4 ;
5EN(DFN,IVMMTDT,IVMQUERY) ; number of inpatient and outpatient days since IVMMTDT date to
6 ; IVMENDT (earliest of day before next means test and day before current date).
7 ; Input: DFN -- pointer to patient in file #2
8 ; IVMMTDT -- Means Test date/time for the patient
9 ; IVMQUERY("OVIS") -- # of the QUERY that is currently open or
10 ; undefined, zero, or null if no QUERY opened for
11 ; finding outpatient visits
12 ; Output: 1^2 where piece 1 = # of inpatient days
13 ; piece 2 = # of outpatient days
14 ;
15 N IVMAD,IVMADMDT,IVMD,IVMDCN,IVMDT,IVMDGPM,IVMDISDT,IVMENDT,IVMF,IVMI,IVMIN,IVMOUT
16 N IVMASIH,IVMADPTR,IVMDATE,VAINDT,VADMVT,VAIP,VAERR
17 ;
18 S (IVMIN,IVMOUT)=0
19 I '$G(IVMMTDT) G EPQ
20 S IVMMTDT=$P($$LST^DGMTU(DFN,IVMMTDT),"^",2)
21 I '$G(IVMMTDT) G EPQ
22 S IVMMTDT=$P(IVMMTDT,".")
23 K ^TMP($J,"IVMUFNC1")
24 ;
25 ; - quit if the effective date of the test is today
26 I IVMMTDT=DT G EPQ
27 ;
28 ; Calculate number of inpatient days
29 ;
30 ; get end date
31 S IVMENDT=$$END^IVMUFNC2(DFN,IVMMTDT)
32 ;
33 ; - find if patient was an inpatient on IVMMTDT
34 S VAINDT=IVMMTDT D ADM^VADPT2
35 I VADMVT S IVMASIH=$P($G(^DGPM(VADMVT,0)),"^",21) D
36 .I IVMASIH D Q
37 ..S IVMIN=IVMIN+$$LOS(VADMVT,IVMMTDT)
38 ..S IVMADPTR=$P($G(^DGPM(IVMASIH,0)),"^",14)
39 ..S IVMDATE=$$CHK(IVMADPTR,IVMMTDT)
40 ..S IVMIN=IVMIN+$$LOS(IVMADPTR,IVMDATE)
41 .S VAIP("D")=IVMMTDT D IN5^VADPT
42 .I 'VAIP(10) S IVMDATE=$$CHK(VADMVT,IVMMTDT)
43 .S IVMIN=IVMIN+$$LOS(VADMVT,$S('VAIP(10):IVMDATE,1:IVMMTDT))
44 ;
45 ; - find admissions after IVMMTDT to end date
46 S IVMD="" F S IVMD=$O(^DGPM("ATID1",DFN,IVMD)) Q:'IVMD!(9999999.9999999-IVMD<IVMMTDT) I 9999999.9999999-IVMD'>IVMENDT S IVMIN=IVMIN+$$LOS(+$O(^(IVMD,0)))
47 ;
48 ; Calculate number of outpatient days
49 ;
50 D EN^IVMUFNC2(.IVMQUERY)
51 ;
52EPQ K ^TMP($J,"IVMUFNC1")
53 Q IVMIN_"^"_IVMOUT
54 ;
55 ;
56LOS(IVMDG,IVMST) ; Calculate the length of stay for an admission.
57 ; Input: IVMDG -- Pointer to the admission in file #405
58 ; IVMST -- [Optional] Date after the admission on
59 ; which to begin calculation of the LOS.
60 ; Output: X -- Length of stay (in days)
61 ;
62 N A,D,DFN,DGE,DGS,I,X,X1,X2,LOP,LOA,LOAS,LOS
63 S (LOP,LOA,LOAS)=0
64 I $S('$D(IVMDG):1,'$D(^DGPM(+IVMDG,0)):1,$P(^(0),"^",2)'=1:1,1:0) S X=0 G Q
65 S X=^DGPM(+IVMDG,0),DFN=$P(^(0),"^",3),(X2,A)=+X,D=$S($D(^DGPM(+$P(X,"^",17),0)):+^(0),1:""),(X1,D)=$S('D:IVMENDT,D>IVMENDT:IVMENDT,1:D)
66 I $G(IVMST)'<$P(D,".") S X=0 G Q
67 S:$G(IVMST) (X2,A)=IVMST
68 D ^%DTC S LOS=$S(X:X,1:1) ; LOS = elapsed time between admission and discharge (or end date)
69 F I=A:0 S I=$O(^DGPM("APCA",DFN,IVMDG,I)) Q:'I S DGS=$O(^(I,0)) I $D(^DGPM(+DGS,0)) S DGS=^(0) Q:+DGS>IVMENDT I "^1^2^3^13^43^44^45^"[("^"_$P(DGS,"^",18)_"^") S X2=+DGS,DGS=$P(DGS,"^",18) D ABS Q:'I
70 S X=LOS-LOA-LOAS
71Q Q X
72 ;
73ABS ; If patient was out on absence, find return
74 S X1=0 F I=I:0 S I=$O(^DGPM("APCA",DFN,IVMDG,I)) Q:'I S DGE=$O(^(I,0)) I $D(^DGPM(+DGE,0)) S DGE=^(0) I "^14^22^23^24^"[("^"_$P(DGE,"^",18)_"^") S X1=+DGE,DGE=$P(DGE,"^",18) Q
75 ; if no return from absence, use discharge or end date
76 ; if return from absence greater then end date use end date
77 I 'X1!(X1>D) S X1=D
78 D ^%DTC S X=$S(X:X,1:1) I DGS=1,$S('$D(DGE):1,DGE'=25:1,1:0) S LOP=LOP+X Q ;if TO AA <96, but not FROM AA<96, count as absence, not pass
79 I "^1^2^3^25^26^"[("^"_DGS_"^") S LOA=LOA+X Q
80 S LOAS=LOAS+X Q
81 ;
82CHK(ADPTR,DATE) ; Determine date that patient returned from leave
83 ; Input: ADPTR -- Pointer to admission in file #405
84 ; DATE -- Date the patient was on leave or ASIH
85 ; Output: X1 -- Date the patient returned from leave
86 N X,Y,I,%,X1,X2,DIS,DGE
87 S X=^DGPM(+ADPTR,0),DIS=$S($D(^DGPM(+$P(X,"^",17),0)):+^(0),1:""),DIS=$S('DIS:IVMENDT,DIS>IVMENDT:IVMENDT,1:DIS)
88 S X1=0 F I=DATE:0 S I=$O(^DGPM("APCA",DFN,ADPTR,I)) Q:'I S DGE=$O(^(I,0)) I $D(^DGPM(+DGE,0)) S DGE=^(0) I "^14^22^23^24^"[("^"_$P(DGE,"^",18)_"^") S X1=+DGE Q
89 Q $P($S(X1:X1,1:DIS),".")
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