diff --git a/app/Services/Cache/CacheInvalidator.php b/app/Services/Cache/CacheInvalidator.php
new file mode 100644
index 0000000..749ad9c
--- /dev/null
+++ b/app/Services/Cache/CacheInvalidator.php
@@ -0,0 +1,15 @@
+<?php
+
+namespace App\Services\Cache;
+
+use Illuminate\Support\Facades\Cache;
+
+class CacheInvalidator
+{
+    public function forget(array $keys): void
+    {
+        foreach ($keys as $key) {
+            Cache::forget($key);
+        }
+    }
+}
diff --git a/app/Services/Cache/CacheKeyBuilder.php b/app/Services/Cache/CacheKeyBuilder.php
new file mode 100644
index 0000000..49f52ad
--- /dev/null
+++ b/app/Services/Cache/CacheKeyBuilder.php
@@ -0,0 +1,17 @@
+<?php
+
+namespace App\Services\Cache;
+
+class CacheKeyBuilder
+{
+    public function __construct(
+        private readonly string $version = 'v1'
+    ) {}
+
+    public function make(string $key, array $parts = []): string
+    {
+        $suffix = empty($parts) ? '' : ':' . implode(':', array_map(static fn ($part) => (string) $part, $parts));
+
+        return "{$this->version}:{$key}{$suffix}";
+    }
+}
diff --git a/app/Services/OutcomePatientService.php b/app/Services/OutcomePatientService.php
new file mode 100644
index 0000000..abcf5fc
--- /dev/null
+++ b/app/Services/OutcomePatientService.php
@@ -0,0 +1,181 @@
+<?php
+
+namespace App\Services;
+
+use App\Models\MisMedicalHistory;
+
+class OutcomePatientService
+{
+    // Базовый select по пациенту
+    private function patientSelect(): array
+    {
+        return [
+            'MedicalHistoryID',
+            'FAMILY',
+            'Name',
+            'OT',
+            'BD',
+            'DateRecipient',
+            'DateExtract',
+            'DateDeath',
+            'rf_EmerSignID',
+            'rf_kl_VisitResultID',
+        ];
+    }
+
+    // Базовые relation для выбытия
+    private function outcomeRelations(): array
+    {
+        return [
+            'outcomeMigration' => function ($q) {
+                $q->select([
+                    'stt_migrationpatient.MigrationPatientID',
+                    'stt_migrationpatient.rf_MedicalHistoryID',
+                    'stt_migrationpatient.DateOut',
+                    'stt_migrationpatient.rf_DiagnosID',
+                    'stt_migrationpatient.rf_kl_VisitResultID',
+                    'stt_migrationpatient.rf_StationarBranchID',
+                ])->with(['mainDiagnosis' => function ($diagnosisQuery) {
+                    $diagnosisQuery->select([
+                        'DiagnosID',
+                        'rf_MKBID',
+                    ])->with(['mkb' => function ($mkbQuery) {
+                        $mkbQuery->select([
+                            'MKBID',
+                            'DS',
+                            'NAME',
+                        ]);
+                    }]);
+                }]);
+            },
+        ];
+    }
+
+    public function getOutcomePatients(
+        int $branchId,
+        DateRange $dateRange,
+        string $outcomeType = 'all',
+        bool $onlyIds = false
+    ) {
+        return match ($outcomeType) {
+            'deceased' => $this->getBranchDeceasedPatients($branchId, $dateRange, $onlyIds),
+            'transferred' => $this->getBranchTransferredPatients($branchId, $dateRange, $onlyIds),
+            'discharged' => $this->getBranchDischargedPatients($branchId, $dateRange, $onlyIds),
+            'without-transferred' => $this->getBranchOutcomePatientsWithoutTransferred($branchId, $dateRange, $onlyIds),
+            default => $this->getAllBranchOutcomePatients($branchId, $dateRange, $onlyIds),
+        };
+    }
+
+    // Общий фильтр периода
+    private function applyPeriod($query, string $column, DateRange $dateRange)
+    {
+        return $query
+            ->where($column, '>=', $dateRange->startSql())
+            ->where($column, '<', $dateRange->endSql());
+    }
+
+    // Форматирование результата
+    private function finalizePatientsQuery($query, bool $onlyIds = false)
+    {
+        if ($onlyIds) {
+            return $query->pluck('MedicalHistoryID');
+        }
+
+        return $query
+            ->select($this->patientSelect())
+            ->with($this->outcomeRelations())
+            ->orderBy('DateRecipient', 'DESC')
+            ->get();
+    }
+
+    // Умершие в отделении. Фильтруем по движению пациента, по дате смерти. Без DateExtract
+    public function getBranchDeceasedPatients(
+        int $branchId,
+        DateRange $dateRange,
+        bool $onlyIds = false
+    ) {
+        $query = MisMedicalHistory::query()
+            ->where('MedicalHistoryID', '<>', 0)
+            ->whereHas('migrations', function ($q) use ($branchId) {
+                $q->where('rf_StationarBranchID', $branchId)
+                    ->whereIn('rf_kl_VisitResultID', [5, 6, 15, 16]);
+            });
+
+        $this->applyPeriod($query, 'DateDeath', $dateRange);
+
+        return $this->finalizePatientsQuery($query, $onlyIds);
+    }
+
+    // Переведенные из отделения
+    public function getBranchTransferredPatients(
+        int $branchId,
+        DateRange $dateRange,
+        bool $onlyIds = false
+    ) {
+        $query = MisMedicalHistory::query()
+            ->where('MedicalHistoryID', '<>', 0)
+            ->whereHas('migrations', function ($q) use ($branchId) {
+                $q->where('rf_StationarBranchID', $branchId)
+                    ->whereIn('rf_kl_VisitResultID', [4, 14]);
+            });
+
+        $this->applyPeriod($query, 'DateExtract', $dateRange);
+
+        return $this->finalizePatientsQuery($query, $onlyIds);
+    }
+
+    // Выписанные из стационара, связанные с отделением
+    public function getBranchDischargedPatients(
+        int $branchId,
+        DateRange $dateRange,
+        bool $onlyIds = false
+    ) {
+        $query = MisMedicalHistory::query()
+            ->where('MedicalHistoryID', '<>', 0)
+            ->whereHas('migrations', function ($q) use ($branchId) {
+                $q->where('rf_StationarBranchID', $branchId)
+                    ->whereIn('rf_kl_VisitResultID', [1, 11, 2, 12, 7, 18, 48]);
+            });
+
+        $this->applyPeriod($query, 'DateExtract', $dateRange);
+
+        return $this->finalizePatientsQuery($query, $onlyIds);
+    }
+
+    // Выбывшие без переведенных
+    public function getBranchOutcomePatientsWithoutTransferred(
+        int $branchId,
+        DateRange $dateRange,
+        bool $onlyIds = false
+    ) {
+        $query = MisMedicalHistory::query()
+            ->where('MedicalHistoryID', '<>', 0)
+            ->whereHas('migrations', function ($q) use ($branchId) {
+                $q->where('rf_StationarBranchID', $branchId)
+                    ->whereNotIn('rf_kl_VisitResultID', [4, 14])
+                    ->where('rf_kl_VisitResultID', '<>', 0);
+            });
+
+        $this->applyPeriod($query, 'DateExtract', $dateRange);
+
+        return $this->finalizePatientsQuery($query, $onlyIds);
+    }
+
+    // Все выбывшие из отделения
+    public function getAllBranchOutcomePatients(
+        int $branchId,
+        DateRange $dateRange,
+        bool $onlyIds = false
+    ) {
+        $query = MisMedicalHistory::query()
+            ->where('MedicalHistoryID', '<>', 0)
+            ->whereHas('migrations', function ($q) use ($branchId) {
+                $q->where('rf_StationarBranchID', $branchId)
+                    ->where('rf_kl_VisitResultID', '<>', 0);
+            });
+
+        $this->applyPeriod($query, 'DateExtract', $dateRange);
+
+        return $this->finalizePatientsQuery($query, $onlyIds);
+    }
+}