| 1 | LREGFR ;DALOI/SDV/AH Calculate Creatinine-eGFR ;Feb 2, 2004
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| 2 | ;;5.2;LAB SERVICES;**289,313**;Sep 27, 1994
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| 3 | ;
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| 4 | ; Reference to EN^DDIOL supported by IA #10142
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| 5 | ; Reference to $$GET1^DIQ supported by IA #2056
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| 6 | ; Reference to DEM^VADPT supported by IA # 10061
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| 7 | ;
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| 8 | ; This routine is a delta check for the lab test eGFR called by delta
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| 9 | ; check CREATININE-EGFR. The eGFR test is calculated.
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| 10 | ;
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| 11 | ; Provided Data
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| 12 | ; DOB - Patient's date of birth
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| 13 | ; LRDFN - entry in LAB DATA file
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| 14 | ; LRIDT - inverse date/time of entry in LAB DATA file
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| 15 | ; LRNG - variable containing normals/units and delta check
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| 16 | ; LRSB - dataname for creatinine result
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| 17 | ;
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| 18 | STRT(DFN,LRTR) ; Start Processing the Routine
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| 19 | ; Call with DFN = parent file ien
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| 20 | ; LRTR = serum creatinine value as mg/dl
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| 21 | ;
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| 22 | ; Do not calculate eGFR if called from group data review.
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| 23 | I $D(LRGVP) Q
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| 24 | ;
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| 25 | N AGE,LRTN,LRDC,LRRC,LRX,LRY,SEX,X,Y
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| 26 | ;
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| 27 | ; Determine test to store eFGR
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| 28 | S LRDC=$P(LRNG,"^",8),LRY=""
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| 29 | S LRX=$$GET1^DIQ(62.1,LRDC_",",61.1,"I")
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| 30 | I LRX S LRY=$$GET1^DIQ(60,LRX_",",5,"I")
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| 31 | S LRTN=$P(LRY,";",2)
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| 32 | I LRTN="" D Q
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| 33 | . D FILECOM^LRVR4(LRDFN,LRIDT,"For eGFR: **eGFR not Calculated - Delta check not configured**")
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| 34 | ;
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| 35 | ; Quit if creatinine unchanged and eGFR already calculated and not 'pending'.
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| 36 | I $P($G(LRSB(LRSB)),"^")=LRTR,$P($G(LRSB(LRTN)),"^")'="",$P(LRSB(LRTN),"^")'="pending" Q
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| 37 | ;
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| 38 | ; Check for eGFR dataname in test editing profile.
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| 39 | ; If creatinine changed and eGFR previously calculated then warn.
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| 40 | I '$D(^TMP("LR",$J,"TMP",LRTN)) D Q
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| 41 | . I $P($G(LRSB(LRSB)),"^")=LRTR Q
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| 42 | . I $P($G(^LR(LRDFN,"CH",LRIDT,LRTN)),"^")'="" D FILECOM^LRVR4(LRDFN,LRIDT,"For eGFR: **eGFR not in test editing profile - Creatinine Changed**")
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| 43 | ;
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| 44 | ; Calculate age based on specimen date/time
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| 45 | S AGE=""
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| 46 | I LRCDT,DOB S AGE=($$FMDIFF^XLFDT(LRCDT,DOB,1))\365.25
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| 47 | I 'AGE D Q
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| 48 | . S $P(LRSB(LRTN),"^")="canc"
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| 49 | . D FILECOM^LRVR4(LRDFN,LRIDT,"For eGFR: **eGFR not Calculated - No Age Recorded**")
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| 50 | ;
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| 51 | S SEX=""
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| 52 | I LRDPF=2 S SEX=$P(VADM(5),U)
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| 53 | I LRDPF=67 S SEX=$$GET1^DIQ(67,DFN_",",.02,"I")
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| 54 | I SEX=""!("MF"'[SEX) D Q
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| 55 | . S $P(LRSB(LRTN),"^")="canc"
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| 56 | . D FILECOM^LRVR4(LRDFN,LRIDT,"For eGFR: **eGFR not Calculated - No Sex Recorded**")
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| 57 | ;
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| 58 | ; Determine race
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| 59 | S LRRC=$$RACE(DFN)
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| 60 | ;
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| 61 | ; Compute eGFR return-value
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| 62 | ; Set user(DUZ) and site(DUZ(2) in case delta check calculated during
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| 63 | ; entry of reference lab results.
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| 64 | I LRTR D
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| 65 | . N LREGFR,LRX,PRMT
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| 66 | . S LREGFR=186*(LRTR**-1.154)*(AGE**-.203)
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| 67 | . I SEX="F" S LREGFR=LREGFR*.742
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| 68 | . I LRRC=1 S LREGFR=LREGFR*1.21
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| 69 | . I 'LREGFR Q
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| 70 | . S LRX=+$$GET1^DID(63.04,LRTN,"","DECIMAL DEFAULT")
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| 71 | . S $P(LRSB(LRTN),"^")=$FN(LREGFR,"",LRX)
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| 72 | . S $P(LRSB(LRTN),"^",4)=$G(DUZ),$P(LRSB(LRTN),"^",9)=$G(DUZ(2))
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| 73 | . I LRRC="U" D FILECOM^LRVR4(LRDFN,LRIDT,"For eGFR: Race unknown, if African American multiply result by 1.210")
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| 74 | Q
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| 75 | ;
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| 76 | ;
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| 77 | RACE(DFN) ; Get Race
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| 78 | ; Call with DFN = ien of PATIENT file (#2)
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| 79 | ; Returns XRC = 1 (African American)
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| 80 | ; 0 (non African American)
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| 81 | ; U (unknown)
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| 82 | ;
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| 83 | N XA,XB,XC,XD,XE,XRC
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| 84 | S XA="BLACK",XB="AFRICAN",XC="HISPANIC,",XD="UNKNOWN",XE="DECLINED"
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| 85 | S XRC=""
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| 86 | ;
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| 87 | ; If patient from PATIENT file (#2).
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| 88 | I LRDPF=2 D
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| 89 | . N VADM
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| 90 | . D DEM^VADPT
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| 91 | . S XRC=$P($G(VADM(12,1)),U,2)
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| 92 | . S:XRC="" XRC=$P($G(VADM(8)),U,2)
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| 93 | ;
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| 94 | ; If patient from REFERRAL file (#67).
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| 95 | I LRDPF=67 D
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| 96 | . S XRC=$$GET1^DIQ(67,DFN_",",.06)
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| 97 | ;
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| 98 | ; If race not defined then set to unknown.
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| 99 | I XRC="" S XRC="U"
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| 100 | ;
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| 101 | ; If race contains "BLACK" or "AFRICAN" but not HISPANIC then return "1"
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| 102 | I XRC[XA!(XRC[XB) I XRC'[XC S XRC=1
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| 103 | ;
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| 104 | ; If unknown or declined then return "U"
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| 105 | I XRC[XD!(XRC[XE) S XRC="U"
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| 106 | ; If not unknown or African-American then return "0"
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| 107 | I XRC'=1,XRC'="U" S XRC=0
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| 108 | Q XRC
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| 109 | ;
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| 110 | ;*************************************************************
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| 111 | ;LR(E)stimated(G)lomerular(F)iltration(R)ate: LREGFR
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| 112 | ;LR(T)est(N)ame: LRTN
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| 113 | ; (R)esults: LRTR
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| 114 | ;LR(R)ace: LRRC
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| 115 | ;
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| 116 | ;*************************************************************
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| 117 | ;* end of routine *
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| 118 | ;*************************************************************
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