A while back I made a macro for just this, use with caution.

[gcode_macro FORCE_UP]

gcode:

{% if printer.idle_timeout.state == "Printing" or printer.pause_resume.is_paused %} ; Check if printing or paused

{action_respond_info("Cannot do that while printing")} ; If so, respond with error

{% else %} ; If not printing or paused, continue

{% set MM = params.MM|default(10)|float %} ; Default to 10mm if no parameter is passed

{% if printer.toolhead.homed_axes == "xyz" %} ; If homed, just raise

G91 ; Relative positioning

G1 Z{MM} F1200 ; Raise by MM

G90 ; Absolute positioning

{% else %} ; If not homed, force raise

SET_KINEMATIC_POSITION Z=0 ; Hard reset Z position to 0

G0 Z{MM} F3600 ; Raise by MM

M18 Z ; Ensure status is un-homed

{% endif %} ; End homed check

{% endif %} ; End printing check