If you are asking what the ICD-9 (International Classification
of Diseases, 9th edition) code for limb pain is, it would depend on
which limb, as well as the cause of the pain as to what the ICD-9
code would be.
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Perhaps the expression you want is "limb from limb" and not
"from limb to limb."
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Regeneration is what causes sea stars to repair their limbs.