COS-C 2 Questions and Answers
Updated 2026
TheBpatientBisBtakingBhisBpainBmedicationBaroundBtheBclock.BreportsBheBnotBcompletelyBpain
-freeBandBratesBhisBneckBpainBasBaB2BonBaBscaleBofB0-
10.BHeBreportsBhisBneckBpainBdoesBnotBlimitBorBaffectBanythingBheBwantsBtoBdo.BHeBisBable
BtoBtakeBcareBofBhimself,BfixBthingsBaroundBtheBhouseBandBheBcanBsleepBwellBatBnight.BHisB
wifeBsaysBthatBheBisBaBdifferentBandBpleasantBpersonBonBthisBnewBmedicationBschedule.B-
BAnswer1-BPatientBhasBpainBthatBdoesBnotBinterfereBwithBactivityBorBmovement
aBpatientBhasBanBunstageableBpressureBulcerBdueBtoBblackBstableBescharBatB50CBandBduring
BtheBepisodeBitBpeelsBoffBandBleavesBanBareaBofBnewlyBepithelializedBtissue,BhowBshouldBthi
sBbeBstagedBatBDischargeBonBM1311?B-
BAnswerOnceBtheBfulBthicknessBpressureBulcerBisBcompletelyBcoveredBwithBnewBepithelialBtiss
ue,BtheBwoundBisBconsideredBhealedBandBnoBIongerBreportableBasBpressureBulcorBenBtheBOA
SIS.
M1306,BM1311,BM1322BM1324.BHowBareBmucosalBmembraneBpressureBulcersBreportedBinBth
eBOASISBdataBset?B-
BAnswerOASISBdataBsetBinteuumentaryBitcmsBonlyBincludeBwoundsBandBlesionsBtoBtheBintegu
mentaryBsystemBandBdoBnotBincludeBmucosalBmembraneBwoundsBorBlesions.BPressureBulcers
BoccurringBtoBmucosalBmembranesBwouldBbeBreportedBinBtheBcomprehensiveBassessmentBan
dBclinicalBdocumentationBbutBnotBinBanyBofBtheBfollowingBOASISBitemsBM1306,BM1311,BM13
22,BorBM1324.
CanBpressureBinjuriesBbeBassessedBanyBpointBduringBtheB5-
dayBwindowBtoBcollectBOASISBassessmentBinfo?B-
BAnswerNo.BPressureBulcersBmustBbeBassessedBonBDayB1.
atBtheBSOCBvisit,BtheBassessingBclinicianBobservesBanBopenBulcerBoverBaBbonyBprominence,B
withBhistoryBofBpressureBandBvisibleBbone,BcanBtheBclinicianBreportBthisBasBStageB4Bpressure
Bulcer,BevenBifBnotBableBtoBgetBconfirmationBofBtheBdiagnosisBfromBtheBphysicianBpriorBtoBc
ompletingBtheBassessment?B-
BAnswerABpressureBulcer/injuryBmayBbeBreportedBonBOASISBbasedBonBvisualizationBofBtheBw
ourd,BpatientBassessmentBandBinterview,BreviewBofBrelevantBrelatedBhistoricalBdocumentationB
andBclinicalBjudgmentBre:Betiolcgy.BAllhoughBtheBassessingBclinicianBcanBreportBtheBobservedB
ulcer/injuryBonBtheBOASISBintegumentaryBstatusBitemsBwithoutBphysicianBconfirmation,Bcollabo
rationBwithBtheBphysicianBisBrequiredBinBorderBtoBapplyBanBICD10Bcode
M1306.BWeBareBseekingBdirectionBregardingBserumBfilledBblistersBthatBareBcausedBbyBshoesBr
ubbingBagainstBtheBfoot.BSomeBofBourBcliniciansBconsiderBtheseB"traumaBwounds"BandBothers
, BconsiderBthemB"stageBpressureBulcers",BPleaseBadvise.B-
BAnswertheBcauseBofBwoundBisBsolelyBfrictionBforceBwhichBleadsBtoBvisihleBskinBimpairment,B
suchBasBtheBserumBfilledBblisterBcitedBinBtheBsconario,BitBwouldBNOTBbeBcategorizedBasBpres
sureBulcer.BTheB2009BInternationalBNPUAP-
FPUAPBPressureBUlcerBPreventionBandBTreatmentBClinicalBPracticeBCuidelineBeliminatedBrefere
nceBtoBfrictionBasBaBprimaryBfactorBinBpressureBdevelopment.
M1306-
M1324.BIfBaBStageB3BpressureBulcerBisBclosedBwithBaBmuscleBflap,BwhatBisBrecorded?BWhatB
ifBtheBmuscleBflapBbeginsBtoBbreakBdownBdueBtoBpressure?B-
BAnswerA94.BIfBpressureBulcerBisBclosedBwithBmuscleBflapBIdefinedBasBfullBthicknessBskinBand
BsubcutancousBtissueBpartiallyBattachedBtoBtheBbodyBbyBaBnarrowBstripBofBtissueBsoBthatBitB
retainsBitsBbloodBsupply),BtheBnewBtissueBcompletelyBreplacesBtheBpressureBulcer.BInBthisBsce
nario,BtheBpressureBulcerB"goesBaway"BandBreplacedBbyBaBsurgicalBwound.BIfBtheBmuscleBfla
pBhealedBcomplelely,BbutBthenBbeganBtoBbreakBdownBdueBpressure,BitBwouldBbeBconsidered
BaBnewBpressureBulcer.BIfBtheBflapBhadBneverBhealedBcompletely,BwouldBbeBconsideredBaBno
n-healingBsurgicalBwound.
M1306-
M1322.BOnBSoC,BtheBRNBassessesBaBscarBfromBclosedBpressureBulcer.BUponBfurtherBinterview
BandBassessment,BtheBpatient'sBfamilyBstatesBthatBtheBpatientBhadBaBpressureBulcerBbutBthey
BareBnotBableBgiveBtheBRNBanyBstagingBinformation.BHowBwouldBthisBpressureBulcerBbeBdoc
umentedBM1311,BCurrentBNumberBofBUnhealedBPressureBUlcers/InjuriesBStage?B-
BAnswerIfBtheBassessingBclinicianBbecomesBawereBthatBobservableBscarBisBtheBresuitBhealedB
pressureBulcer,BdoBnotBreportBasBaBpressureBulcerBonBtheBOASIS.
239BM1306.BtheBpatientBhadBaBpressureBulcerBandBtheBpost-
opBsurgicalBreportBstatesBitBwasBsurgicallyBexcisedBandBclosedBwithoutBplacementBofBmuscleB
flap,BdoBweBstillBhaveBaBStageB4BpressureBulcer-
BtheBoriginalBetiologyBorBdidBthisBbecomeBsurgicalBincision?B-
BAnswerIlBallBtheBlissueBdamagedBbyBpressureBisBreovedBsurgically,B2.gBamputationBerBsurgiB
calBexcision,BthereBisBnoBlergerBaBpressureBulcer,BitBbecomesBaBsLrgicalBwoundBuntilBhealed.
M1306-
M1324.BIfBsingleBpressureBulcerBpartiallyBgranulatedBtoBtheBsurface,BleavingBtheBulcerBopenBi
nBmoreBthanBoneBarea,BhowBmanyBpressureBulcersBareBpresent?B-
BAnswerOnlyBoneBpressureBulcerBisBpresent.
M1306-
M1324.BCanBaBpreviouslyBobservableBStageB4BpressureBulcerBthatBisBnowBcoveredBwithBsloug
hBorBescharBbeBcategorizedBasBStageB4?B-
BAnswerNc.BcrcerBloBstaceB:heBpressureBulcerBasBStageB4,Bbone,Bmuscle,BtendciI,BcrBjointBca
psuleBIStageBstructureslBmustBvisibleBorBdirectlyBpalpable.
Updated 2026
TheBpatientBisBtakingBhisBpainBmedicationBaroundBtheBclock.BreportsBheBnotBcompletelyBpain
-freeBandBratesBhisBneckBpainBasBaB2BonBaBscaleBofB0-
10.BHeBreportsBhisBneckBpainBdoesBnotBlimitBorBaffectBanythingBheBwantsBtoBdo.BHeBisBable
BtoBtakeBcareBofBhimself,BfixBthingsBaroundBtheBhouseBandBheBcanBsleepBwellBatBnight.BHisB
wifeBsaysBthatBheBisBaBdifferentBandBpleasantBpersonBonBthisBnewBmedicationBschedule.B-
BAnswer1-BPatientBhasBpainBthatBdoesBnotBinterfereBwithBactivityBorBmovement
aBpatientBhasBanBunstageableBpressureBulcerBdueBtoBblackBstableBescharBatB50CBandBduring
BtheBepisodeBitBpeelsBoffBandBleavesBanBareaBofBnewlyBepithelializedBtissue,BhowBshouldBthi
sBbeBstagedBatBDischargeBonBM1311?B-
BAnswerOnceBtheBfulBthicknessBpressureBulcerBisBcompletelyBcoveredBwithBnewBepithelialBtiss
ue,BtheBwoundBisBconsideredBhealedBandBnoBIongerBreportableBasBpressureBulcorBenBtheBOA
SIS.
M1306,BM1311,BM1322BM1324.BHowBareBmucosalBmembraneBpressureBulcersBreportedBinBth
eBOASISBdataBset?B-
BAnswerOASISBdataBsetBinteuumentaryBitcmsBonlyBincludeBwoundsBandBlesionsBtoBtheBintegu
mentaryBsystemBandBdoBnotBincludeBmucosalBmembraneBwoundsBorBlesions.BPressureBulcers
BoccurringBtoBmucosalBmembranesBwouldBbeBreportedBinBtheBcomprehensiveBassessmentBan
dBclinicalBdocumentationBbutBnotBinBanyBofBtheBfollowingBOASISBitemsBM1306,BM1311,BM13
22,BorBM1324.
CanBpressureBinjuriesBbeBassessedBanyBpointBduringBtheB5-
dayBwindowBtoBcollectBOASISBassessmentBinfo?B-
BAnswerNo.BPressureBulcersBmustBbeBassessedBonBDayB1.
atBtheBSOCBvisit,BtheBassessingBclinicianBobservesBanBopenBulcerBoverBaBbonyBprominence,B
withBhistoryBofBpressureBandBvisibleBbone,BcanBtheBclinicianBreportBthisBasBStageB4Bpressure
Bulcer,BevenBifBnotBableBtoBgetBconfirmationBofBtheBdiagnosisBfromBtheBphysicianBpriorBtoBc
ompletingBtheBassessment?B-
BAnswerABpressureBulcer/injuryBmayBbeBreportedBonBOASISBbasedBonBvisualizationBofBtheBw
ourd,BpatientBassessmentBandBinterview,BreviewBofBrelevantBrelatedBhistoricalBdocumentationB
andBclinicalBjudgmentBre:Betiolcgy.BAllhoughBtheBassessingBclinicianBcanBreportBtheBobservedB
ulcer/injuryBonBtheBOASISBintegumentaryBstatusBitemsBwithoutBphysicianBconfirmation,Bcollabo
rationBwithBtheBphysicianBisBrequiredBinBorderBtoBapplyBanBICD10Bcode
M1306.BWeBareBseekingBdirectionBregardingBserumBfilledBblistersBthatBareBcausedBbyBshoesBr
ubbingBagainstBtheBfoot.BSomeBofBourBcliniciansBconsiderBtheseB"traumaBwounds"BandBothers
, BconsiderBthemB"stageBpressureBulcers",BPleaseBadvise.B-
BAnswertheBcauseBofBwoundBisBsolelyBfrictionBforceBwhichBleadsBtoBvisihleBskinBimpairment,B
suchBasBtheBserumBfilledBblisterBcitedBinBtheBsconario,BitBwouldBNOTBbeBcategorizedBasBpres
sureBulcer.BTheB2009BInternationalBNPUAP-
FPUAPBPressureBUlcerBPreventionBandBTreatmentBClinicalBPracticeBCuidelineBeliminatedBrefere
nceBtoBfrictionBasBaBprimaryBfactorBinBpressureBdevelopment.
M1306-
M1324.BIfBaBStageB3BpressureBulcerBisBclosedBwithBaBmuscleBflap,BwhatBisBrecorded?BWhatB
ifBtheBmuscleBflapBbeginsBtoBbreakBdownBdueBtoBpressure?B-
BAnswerA94.BIfBpressureBulcerBisBclosedBwithBmuscleBflapBIdefinedBasBfullBthicknessBskinBand
BsubcutancousBtissueBpartiallyBattachedBtoBtheBbodyBbyBaBnarrowBstripBofBtissueBsoBthatBitB
retainsBitsBbloodBsupply),BtheBnewBtissueBcompletelyBreplacesBtheBpressureBulcer.BInBthisBsce
nario,BtheBpressureBulcerB"goesBaway"BandBreplacedBbyBaBsurgicalBwound.BIfBtheBmuscleBfla
pBhealedBcomplelely,BbutBthenBbeganBtoBbreakBdownBdueBpressure,BitBwouldBbeBconsidered
BaBnewBpressureBulcer.BIfBtheBflapBhadBneverBhealedBcompletely,BwouldBbeBconsideredBaBno
n-healingBsurgicalBwound.
M1306-
M1322.BOnBSoC,BtheBRNBassessesBaBscarBfromBclosedBpressureBulcer.BUponBfurtherBinterview
BandBassessment,BtheBpatient'sBfamilyBstatesBthatBtheBpatientBhadBaBpressureBulcerBbutBthey
BareBnotBableBgiveBtheBRNBanyBstagingBinformation.BHowBwouldBthisBpressureBulcerBbeBdoc
umentedBM1311,BCurrentBNumberBofBUnhealedBPressureBUlcers/InjuriesBStage?B-
BAnswerIfBtheBassessingBclinicianBbecomesBawereBthatBobservableBscarBisBtheBresuitBhealedB
pressureBulcer,BdoBnotBreportBasBaBpressureBulcerBonBtheBOASIS.
239BM1306.BtheBpatientBhadBaBpressureBulcerBandBtheBpost-
opBsurgicalBreportBstatesBitBwasBsurgicallyBexcisedBandBclosedBwithoutBplacementBofBmuscleB
flap,BdoBweBstillBhaveBaBStageB4BpressureBulcer-
BtheBoriginalBetiologyBorBdidBthisBbecomeBsurgicalBincision?B-
BAnswerIlBallBtheBlissueBdamagedBbyBpressureBisBreovedBsurgically,B2.gBamputationBerBsurgiB
calBexcision,BthereBisBnoBlergerBaBpressureBulcer,BitBbecomesBaBsLrgicalBwoundBuntilBhealed.
M1306-
M1324.BIfBsingleBpressureBulcerBpartiallyBgranulatedBtoBtheBsurface,BleavingBtheBulcerBopenBi
nBmoreBthanBoneBarea,BhowBmanyBpressureBulcersBareBpresent?B-
BAnswerOnlyBoneBpressureBulcerBisBpresent.
M1306-
M1324.BCanBaBpreviouslyBobservableBStageB4BpressureBulcerBthatBisBnowBcoveredBwithBsloug
hBorBescharBbeBcategorizedBasBStageB4?B-
BAnswerNc.BcrcerBloBstaceB:heBpressureBulcerBasBStageB4,Bbone,Bmuscle,BtendciI,BcrBjointBca
psuleBIStageBstructureslBmustBvisibleBorBdirectlyBpalpable.
