Is this autism

I HAVE A 9 YEAR OLD SON FOR WHICH HAS HAD HEALTH PROBLEMZ SINCE BIRTH HE WAS BORN DEAD N THEN HAD TO BE PUT IN NICU FOR SEVERAL DAY HE HAS BEEN BEHIND SINCE BIRTH BUT WHEN I TOOK HIM TO THE FAMILY DR. THE JUST SAID HE HAS ADHD..HE STAYS ANGRY @ TIMES ALWAYS USES THREATS TOWARDS HIS SIBLINGS CANT STAY CONCENTRATED ON ONE THING N GET FRUSTRATED VERY EASLIY MY CONCERNS WEATHER HE MIGHY HAVE ALIL AUTISM WITH EVERYTHING ELSE...HE DOES HAVE LD, MUSLE DISORDER SLEEP DISORDER ADHD KODNEY Problem

[ldm3]

He also always repeats himself like if he talkn he will always say do u hear me... he repeats everything others say...

[anacyde]

None of this would put up any red flags for autism.