diff --git a/api/lab/ingest_diagnosticos.php b/api/lab/ingest_diagnosticos.php
new file mode 100644
index 0000000..b10691c
--- /dev/null
+++ b/api/lab/ingest_diagnosticos.php
@@ -0,0 +1,62 @@
+<?php
+/**
+ * POST /api/lab/ingest_diagnosticos.php
+ * Recibe un lote de diagnósticos CIE-10 desde RIPS Manager y los upserta en cie10_diagnosticos.
+ * Body: { "rows": [{"cod": "A000", "concepto": "..."}, ...] }
+ */
+
+ob_start();
+require_once __DIR__ . '/../../config/config.php';
+
+error_reporting(E_ERROR | E_PARSE);
+ini_set('display_errors', '0');
+
+header('Content-Type: application/json; charset=utf-8');
+
+if ($_SERVER['REQUEST_METHOD'] !== 'POST') {
+    http_response_code(405);
+    ob_clean();
+    echo json_encode(['ok' => false, 'error' => 'Método no permitido']);
+    exit;
+}
+
+$keyHeader = $_SERVER['HTTP_X_LAB_KEY'] ?? $_SERVER['HTTP_X_LAB_SYNC_KEY'] ?? '';
+if (!$keyHeader || !hash_equals(LAB_SYNC_KEY, $keyHeader)) {
+    http_response_code(401);
+    ob_clean();
+    echo json_encode(['ok' => false, 'error' => 'API key inválida']);
+    exit;
+}
+
+$data = json_decode(file_get_contents('php://input'), true);
+if (!is_array($data) || empty($data['rows']) || !is_array($data['rows'])) {
+    http_response_code(400);
+    ob_clean();
+    echo json_encode(['ok' => false, 'error' => 'Body inválido: se espera {rows: [...]}']);
+    exit;
+}
+
+try {
+    $pdo = db();
+    $stmt = $pdo->prepare(
+        "INSERT INTO cie10_diagnosticos (cod_diag, concepto)
+         VALUES (?, ?)
+         ON DUPLICATE KEY UPDATE concepto = VALUES(concepto)"
+    );
+
+    $insertados = 0;
+    foreach ($data['rows'] as $row) {
+        $cod     = trim($row['cod']     ?? '');
+        $concepto = trim($row['concepto'] ?? '');
+        if (!$cod || !$concepto) continue;
+        $stmt->execute([$cod, $concepto]);
+        $insertados++;
+    }
+
+    ob_clean();
+    echo json_encode(['ok' => true, 'insertados' => $insertados]);
+} catch (Exception $e) {
+    ob_clean();
+    http_response_code(500);
+    echo json_encode(['ok' => false, 'error' => $e->getMessage()]);
+}
diff --git a/migrations/20260717_cie10_diagnosticos.sql b/migrations/20260717_cie10_diagnosticos.sql
new file mode 100644
index 0000000..d790468
--- /dev/null
+++ b/migrations/20260717_cie10_diagnosticos.sql
@@ -0,0 +1,6 @@
+-- Migración: tabla CIE-10 diagnósticos desde Firebird
+CREATE TABLE IF NOT EXISTS cie10_diagnosticos (
+    cod_diag  VARCHAR(10)  NOT NULL,
+    concepto  VARCHAR(500) NOT NULL,
+    PRIMARY KEY (cod_diag)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;