ICD-10-CM 2027
ICD-10 code for weightlessness
From the official ICD-10-CM alphabetic index entry “Weightlessness (effect of)”. Page updated September 29, 2026.
About coding weightlessness
The ICD-10-CM code for weightlessness is T75.82 (Effects of weightlessness).
Within T75.8 (other specified effects of external causes), T75.82 is specifically for effects of weightlessness. Related codes cover effects of abnormal gravitation [G] forces (T75.81), effects of war theater (T75.83) and other specified effects of external causes (T75.89).
Codes in this range require a 7th character: A for initial encounter, D for subsequent encounter and S for sequela. Use placeholder "X" characters to fill any empty positions before the 7th character.
It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.