diff --git a/server/src/lib/analytes.ts b/server/src/lib/analytes.ts
index 7aa262f..8a917cd 100644
--- a/server/src/lib/analytes.ts
+++ b/server/src/lib/analytes.ts
@@ -508,6 +508,12 @@ for (const a of ANALYTES) {
   for (const al of a.aliases) INDEX.set(norm(al), a);
 }
 
+const BY_KEY = new Map(ANALYTES.map((a) => [a.key, a]));
+
 export function resolveAnalyte(name: string): Analyte | null {
   return INDEX.get(norm(name)) ?? null;
 }
+
+export function getAnalyte(key: string): Analyte | null {
+  return BY_KEY.get(key) ?? null;
+}
diff --git a/server/src/routes/labs.ts b/server/src/routes/labs.ts
index bfffc62..2228626 100644
--- a/server/src/routes/labs.ts
+++ b/server/src/routes/labs.ts
@@ -1,13 +1,14 @@
 import { desc, eq } from "drizzle-orm";
 import { Hono } from "hono";
 import { randomUUID } from "node:crypto";
-import { mkdirSync } from "node:fs";
+import { existsSync, mkdirSync } from "node:fs";
 import { join } from "node:path";
 import type { Db } from "../db";
 import { biomarkers, labDrafts, labDraws } from "../db/schema";
 import { extractFromText } from "../lib/extract";
 import { normalizeMarker } from "../lib/normalize";
 import { pdfToText } from "../lib/pdf";
+import { getAnalyte } from "../lib/analytes";
 import { ConfirmDraftBody } from "@helios/shared";
 
 export type LabsDeps = { db: Db; key: Buffer; dataDir: string; llmFetch?: typeof fetch };
@@ -111,5 +112,58 @@ export function labsRoutes(deps: LabsDeps) {
     return c.body(null, 204);
   });
 
+  app.get("/labs/draws", async (c) => {
+    const draws = await deps.db.select().from(labDraws).orderBy(desc(labDraws.collectedAt));
+    const rows = await deps.db.select().from(biomarkers);
+    return c.json({
+      draws: draws.map((d) => ({
+        id: d.id, collectedAt: d.collectedAt, labName: d.labName,
+        markerCount: rows.filter((r) => r.drawId === d.id).length,
+        flaggedCount: rows.filter((r) => r.drawId === d.id && r.flagged === 1).length,
+      })),
+    });
+  });
+
+  app.get("/labs/draws/:id", async (c) => {
+    const d = (await deps.db.select().from(labDraws).where(eq(labDraws.id, c.req.param("id")))).at(0);
+    if (!d) return c.json({ error: "not found" }, 404);
+    const rows = await deps.db.select().from(biomarkers).where(eq(biomarkers.drawId, d.id));
+    const byPanel = new Map<string, typeof rows>();
+    for (const r of rows) byPanel.set(r.panel, [...(byPanel.get(r.panel) ?? []), r]);
+    return c.json({
+      id: d.id, collectedAt: d.collectedAt, labName: d.labName,
+      panels: [...byPanel.keys()].sort().map((panel) => ({
+        panel,
+        markers: byPanel.get(panel)!
+          .sort((a, b) => a.name.localeCompare(b.name))
+          .map((r) => ({ ...r, flagged: r.flagged === 1 })),
+      })),
+    });
+  });
+
+  app.get("/labs/markers/:key/history", async (c) => {
+    const analyte = getAnalyte(c.req.param("key"));
+    if (!analyte) return c.json({ error: "unknown marker" }, 404);
+    const draws = await deps.db.select().from(labDraws);
+    const dates = new Map(draws.map((d) => [d.id, d.collectedAt]));
+    const rows = await deps.db.select().from(biomarkers).where(eq(biomarkers.analyteKey, analyte.key));
+    const points = rows
+      .filter((r) => r.valueCanonical !== null)
+      .map((r) => ({ drawId: r.drawId, collectedAt: dates.get(r.drawId) ?? "", value: r.valueCanonical! }))
+      .sort((a, b) => a.collectedAt.localeCompare(b.collectedAt));
+    return c.json({ key: analyte.key, display: analyte.display, canonicalUnit: analyte.canonicalUnit, points });
+  });
+
+  app.get("/labs/drafts/:id/file", async (c) => {
+    const row = (await deps.db.select().from(labDrafts).where(eq(labDrafts.id, c.req.param("id")))).at(0);
+    if (!row || !existsSync(row.filePath)) return c.json({ error: "not found" }, 404);
+    return new Response(Bun.file(row.filePath), {
+      headers: {
+        "content-type": "application/pdf",
+        "content-disposition": `inline; filename="${row.filename.replace(/[^\w.-]/g, "_")}"`,
+      },
+    });
+  });
+
   return app;
 }
diff --git a/server/test/labs-query.test.ts b/server/test/labs-query.test.ts
new file mode 100644
index 0000000..67106ca
--- /dev/null
+++ b/server/test/labs-query.test.ts
@@ -0,0 +1,55 @@
+import { describe, expect, test } from "bun:test";
+import { mkdtempSync } from "node:fs";
+import { tmpdir } from "node:os";
+import { join } from "node:path";
+import { createApp } from "../src/app";
+import { openDb } from "../src/db";
+import { biomarkers, labDraws } from "../src/db/schema";
+import { loadOrCreateKey } from "../src/lib/crypto";
+
+async function seeded() {
+  const dir = mkdtempSync(join(tmpdir(), "helios-"));
+  const db = openDb(dir);
+  const app = createApp({ db, key: loadOrCreateKey(dir), dataDir: dir });
+  const j = (b: unknown) => ({ method: "POST", headers: { "content-type": "application/json" }, body: JSON.stringify(b) });
+  await app.request("/api/setup", j({ password: "hunter2hunter2" }));
+  const cookie = (await app.request("/api/login", j({ password: "hunter2hunter2" }))).headers.get("set-cookie")!;
+
+  await db.insert(labDraws).values([
+    { id: "d1", collectedAt: "2025-06-01", labName: "A", draftId: null, createdAt: 1 },
+    { id: "d2", collectedAt: "2026-01-15", labName: "B", draftId: null, createdAt: 2 },
+  ]);
+  await db.insert(biomarkers).values([
+    { drawId: "d1", panel: "metabolic", name: "Glucose", marker: "glucose", analyteKey: "glucose", value: "90", valueNum: 90, unit: "mg/dL", referenceRange: null, flagged: 0, valueCanonical: 4.996, canonicalUnit: "mmol/L" },
+    { drawId: "d2", panel: "metabolic", name: "Glucose", marker: "glucose", analyteKey: "glucose", value: "100", valueNum: 100, unit: "mg/dL", referenceRange: "70-99", flagged: 1, valueCanonical: 5.551, canonicalUnit: "mmol/L" },
+    { drawId: "d2", panel: "lipids", name: "LDL Cholesterol", marker: "ldl", analyteKey: "ldl", value: "3.1", valueNum: 3.1, unit: "mmol/L", referenceRange: "<3.4", flagged: 0, valueCanonical: 3.1, canonicalUnit: "mmol/L" },
+  ]);
+  return { app, cookie };
+}
+
+describe("labs queries", () => {
+  test("draw list newest first with counts", async () => {
+    const { app, cookie } = await seeded();
+    const { draws } = await (await app.request("/api/labs/draws", { headers: { cookie } })).json();
+    expect(draws.map((d: any) => d.id)).toEqual(["d2", "d1"]);
+    expect(draws[0].markerCount).toBe(2);
+    expect(draws[0].flaggedCount).toBe(1);
+  });
+
+  test("draw detail grouped by panel", async () => {
+    const { app, cookie } = await seeded();
+    const detail = await (await app.request("/api/labs/draws/d2", { headers: { cookie } })).json();
+    expect(detail.panels.map((p: any) => p.panel)).toEqual(["lipids", "metabolic"]);
+    expect(detail.panels[1].markers[0].flagged).toBe(true);
+    expect((await app.request("/api/labs/draws/nope", { headers: { cookie } })).status).toBe(404);
+  });
+
+  test("marker history ascending with registry metadata", async () => {
+    const { app, cookie } = await seeded();
+    const h = await (await app.request("/api/labs/markers/glucose/history", { headers: { cookie } })).json();
+    expect(h.display).toBe("Glucose");
+    expect(h.canonicalUnit).toBe("mmol/L");
+    expect(h.points.map((p: any) => p.value)).toEqual([4.996, 5.551]);
+    expect((await app.request("/api/labs/markers/unknown_thing/history", { headers: { cookie } })).status).toBe(404);
+  });
+});