Hi In His Hands--According to the AMA, the eight signs that MUST be CONCURRENT include:
Vasomotor changes:
skin color: mottled or cyanotic
Skin timperature: cool
Edema

Sudomotor Changes:
Skin dry or overly moist

Trophic Changes:
Skin texture sooth, non-elastic
Soft-tissue atrophy, especially at the fingertips
Joint stiffnes and decreased passive range of motion
Nail changes: blemished, curved, talon-like
Hair growth changes: falls out, longer, finer

Radiographic Signs:
trophic bone changes, osteoporosis
Bone Scan findings consistent with CRPS

Eight or MORE= "Probable CRPS"
Less than Eight; "NO CRPS"