Here i have listed another set of insurance and its filing limit. Please check it before you come to the conclusion. 

Insurance filing Limits

AARP – 15 Months
Advantage Care -6 months
Advantra Freedom- 2 years
Aetna – 120 days
Ameri Health Adm Local 36 unit – 1 year
American Progressive -1 year
AmeriHealth Adm TPA -1 year
AmeriHealth NJ& DE -60 days
Bankers Life -15 Months
Bcbs Florida – 12 months
Blue shield High Mark -60 days
Cigna – 180 days
Citrus -1 year
First Health -3months
GHI -1 year
Greatwest-15 Months
Horizon NJ Plus -365 days
Humana -27 months
Keystone Health Plant East-60 days
Magna Care – 6 months
MARILYN ELECTRO IND. BENEFIT FUND- 1 year
Medicaid – 180 days
NASI – 2 years
Polk Cummunity Health Care – 180 days
PUP -180 days
Quality Health Plan – 1 year
Tricare – 12 months
UHC – 90 days
Unicare – 24 Months
Vetrans Admin – 90 days