(1) An adequate network must meet the following criteria for all enrollees:

(a) emergency services must be available and accessible at all times;

(b) urgent care appointments must be available within 24 hours;

(c) appointments for non-urgent care with symptoms must be available within 10 calendar days;

(d) appointments for immunizations must be available within 21 calendar days; and

(e) appointments for routine or preventive care must be available within 45 calendar days.