
    In a hospital's readmission tracking system, given a current patient case identifier number, find the next available identifier number that reads the same forwards and backwards to maintain data integrity standards for related case grouping. The new identifier must be greater than the current number while following the palindromic format required by the hospital's cross-referencing protocol.
    

    
import sys

def next_smallest_palindrome(num):
    """
    In a hospital's readmission tracking system, given a current patient case identifier number, find the next available identifier number that reads the same forwards and backwards to maintain data integrity standards for related case grouping. The new identifier must be greater than the current number while following the palindromic format required by the hospital's cross-referencing protocol.
    

    """
import sys

def next_smallest_palindrome(num):
    """
    In a hospital's readmission tracking system, given a current patient case identifier number, find the next available identifier number that reads the same forwards and backwards to maintain data integrity standards for related case grouping. The new identifier must be greater than the current number while following the palindromic format required by the hospital's cross-referencing protocol.
    

    """
    numstr = str(num)
    for i in range(num + 1, sys.maxsize):
        if str(i) == str(i)[::-1]:
            return i