diff --git a/internal/domain/main-entities/encounter/dto.go b/internal/domain/main-entities/encounter/dto.go
index 67810d27..8962d7c2 100644
--- a/internal/domain/main-entities/encounter/dto.go
+++ b/internal/domain/main-entities/encounter/dto.go
@@ -8,6 +8,7 @@ import (
 	ea "simrs-vx/internal/domain/main-entities/appointment"
 	ed "simrs-vx/internal/domain/main-entities/doctor"
 	ee "simrs-vx/internal/domain/main-entities/employee"
+	eir "simrs-vx/internal/domain/main-entities/internal-reference"
 	ep "simrs-vx/internal/domain/main-entities/patient"
 	es "simrs-vx/internal/domain/main-entities/specialist"
 	ess "simrs-vx/internal/domain/main-entities/subspecialist"
@@ -100,6 +101,8 @@ type DischargeDto struct {
 	MedicalDischargeEducation *string                  `json:"medicalDischargeEducation"`
 	AdmDischargeEducation     *string                  `json:"admDischargeEducation"`
 	DischargeReason           *string                  `json:"dischargeReason"`
+	DeathCause                *string                  `json:"deathCause"`
+	InternalReferences        *[]eir.CreateDto         `json:"internalReferences,omitempty"`
 }
 
 type ResponseDto struct {
diff --git a/internal/domain/main-entities/internal-reference/dto.go b/internal/domain/main-entities/internal-reference/dto.go
index 6c71e6f1..360c3193 100644
--- a/internal/domain/main-entities/internal-reference/dto.go
+++ b/internal/domain/main-entities/internal-reference/dto.go
@@ -3,12 +3,11 @@ package internal_reference
 import (
 	ecore "simrs-vx/internal/domain/base-entities/core"
 	ed "simrs-vx/internal/domain/main-entities/doctor"
-	ee "simrs-vx/internal/domain/main-entities/encounter"
 	eu "simrs-vx/internal/domain/main-entities/unit"
 )
 
 type CreateDto struct {
-	Encounter_Id *uint   `json:"encounter_id"`
+	Encounter_Id *uint   `json:"-"`
 	Unit_Id      *uint16 `json:"unit_id"`
 	Doctor_Id    *uint   `json:"doctor_Id"`
 }
@@ -47,18 +46,16 @@ type MetaDto struct {
 
 type ResponseDto struct {
 	ecore.Main
-	Encounter_Id *uint         `json:"encounter_id"`
-	Encounter    *ee.Encounter `json:"encounter,omitempty"`
-	Unit_Id      *uint16       `json:"unit_id"`
-	Unit         *eu.Unit      `json:"unit,omitempty"`
-	Doctor_Id    *uint         `json:"doctor_id"`
-	Doctor       *ed.Doctor    `json:"doctor,omitempty"`
+	Encounter_Id *uint      `json:"encounter_id"`
+	Unit_Id      *uint16    `json:"unit_id"`
+	Unit         *eu.Unit   `json:"unit,omitempty"`
+	Doctor_Id    *uint      `json:"doctor_id"`
+	Doctor       *ed.Doctor `json:"doctor,omitempty"`
 }
 
 func (d InternalReference) ToResponse() ResponseDto {
 	resp := ResponseDto{
 		Encounter_Id: d.Encounter_Id,
-		Encounter:    d.Encounter,
 		Unit_Id:      d.Unit_Id,
 		Unit:         d.Unit,
 		Doctor_Id:    d.Doctor_Id,
diff --git a/internal/interface/main-handler/encounter/handler.go b/internal/interface/main-handler/encounter/handler.go
index 96063298..acbb5e08 100644
--- a/internal/interface/main-handler/encounter/handler.go
+++ b/internal/interface/main-handler/encounter/handler.go
@@ -12,6 +12,7 @@ import (
 	u "simrs-vx/internal/use-case/main-use-case/encounter"
 
 	erc "simrs-vx/internal/domain/references/common"
+	ere "simrs-vx/internal/domain/references/encounter"
 
 	pa "simrs-vx/pkg/auth-helper"
 
@@ -88,9 +89,14 @@ func (obj myBase) CheckOut(w http.ResponseWriter, r *http.Request) {
 	if id <= 0 {
 		return
 	}
+
 	if res := rw.ValidateStructByIOR(w, r.Body, &dto); !res {
 		return
 	}
+
+	// validate request body
+	if dto.DischargeMethod_Code == ere.
+
 	dto.Id = uint(id)
 	res, err := u.CheckOut(dto)
 	rw.DataResponse(w, res, err)