### Clue: Chance of money abroad lifted doctor (6)
### Answer: RANDOM 
 ### Explanation: Definition: Chance
 RAND(unit of money abroad, viz. in South Africa) + **reversal of**(lifted, in a down clue) MO(abbrev. for "Medical Officer", a doctor who heads a public health organisation).
Defn: …/accidental/happening without method or conscious decision.