I have a piercing pain just above my belly button..it was instant and stabbing..no significant fall of any kind to cause the pain..?

Abdominal pain: Instant pain that doesn't linger in the abdomen is usually related to gas/cramping in the GI tract. If there is sustained/worsening pain or other symptoms or history (fever, loss of appetite, nausea, vomiting, pain with urination, tenderness to pressure, pulsatile mass, gall stones, etc...) then there is a need to seek evaluation. Hope this helps!