The most common and most likely answer to this crossword clue is the 5 plus 5 letter word STAFF NURSE
I've seen this crossword clue in The Daily Telegraph
S
T
A
F
F
N
U
R
S
E
More clues leading to the result STAFF NURSE
- Crook to entertain sister's subordinate
- Hospital worker fastens fur badly
- Rod runs awkwardly, side of knee tender
- Hospital worker, man, unsure heading off for resort
- FT users’ fan letters in post
- Man — name sure confused hospital worker
- Tender love finally, after county gaols control uprising
- Tender after getting the stick? One may treat you
Buddy explains!

The straight part
We know that "hospital worker" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case hospital worker = staff nurse.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.