News provider VentureWire said venture capital firm Longitude Capital was leading CardioDx's series E round (which it said was raising $40m).

CardioDx, a US-based provider of healthcare diagnostics backed by General Electric, has raised $57.5m in its latest round that is targeting $78.3m, according to a regulatory filing earlier in the month.

News provider VentureWire said venture capital firm Longitude Capital was leading CardioDx’s series E round (which it said was raising $40m).

In May, US-based conglomerate General Electric made its first investment out of its new corporate venturing fund with $5m backing of California-based CardioDx.

The CardioDx investment…