New codes for Medi-cal

[Jennifer]

Hi - I just joined this forum and am excited to connect with other billers. I bill for outpatient mental health providers (LMFT) & one clinical psychologist in Northern California.
My question: Medi-cal sent a notice about billing with a additional four-digit code that needed to be added to the claims. Does anyone know about this? This change will be happening April 1, 2019. I bill on  a ANSI 8371. Also, are other insurance companies requiring this?
Thank you in advance!
Jen

[Michele]

I do not currently bill for any mental health providers in CA but I found the following information:  http://files.medi-cal.ca.gov/pubsdoco/bulletins/artfull/hom201812.asp