Does my Annularis Angelfish have a disease?

[dustinwerk19]

was wondering if the spot circled on my annularis angel is just his pattern or something else, that was the best pic I could get

all of my other fish are fine

 

[vetteguy53081]

Looks like lymphocystis which is viral. It is imperative to furnish both Good water quality and optimal diet. If you’re using api test kits, you may likely be getting false readings.
It will fall off in a few weeks if lympho

 

[dustinwerk19]

Looks like lymphocystis which is viral. It is imperative to furnish both Good water quality and optimal diet. If you’re using api test kits, you may likely be getting false readings.
It will fall off in a few weeks if lympho

what will fall off? the lympho or?