If the group insurance policy from which conversion is made insures the employee or member for basic hospital or surgical expense insurance, the employee or member shall be entitled to obtain a converted policy providing, at his option, coverage on an expense incurred basis under any one of the plans meeting the following requirements:

Plan A

(a) Hospital room and board daily expense benefits in a maximum dollar amount approximating the average semiprivate rate charged in metropolitan areas of this state, for a maximum duration of seventy days;

(b) Miscellaneous hospital expense benefits of a maximum amount of ten times the hospital room and board daily expense benefits; and

(c) Surgical operation expense benefits according to a surgical schedule consistent with those customarily offered by the insurer under group or individual health insurance policies and providing a maximum benefit of $800; or

Plan B

(a) Hospital room and board daily expense benefits in a maximum dollar amount equal to seventy-five percent of the maximum dollar amount determined for Plan A, for a maximum duration of seventy days;

(b) Miscellaneous hospital expense benefits of a maximum amount of ten times the hospital room and board daily expense benefits; and

(c) Surgical operation expense benefits according to a surgical schedule consistent with those customarily offered by the insurer under group or individual health insurance policies and providing a maximum benefit of $600; or

Plan C

(a) Hospital room and board daily expense benefits in a maximum dollar amount equal to fifty percent of the maximum dollar amount determined for Plan A, for a maximum duration of seventy days;

(b) Miscellaneous hospital benefits of a maximum amount of ten times the hospital room and board daily expense benefits; and

(c) Surgical operation expense benefits according to a surgical schedule consistent with those customarily offered by the insurer under group or individual health insurance policies and providing a maximum benefit of $400.

The maximum dollar amounts in Plan A shall be determined by the commissioner and may be redetermined by him from time to time as to converted policies issued subsequent to such redetermination. Such redetermination shall not be made more often than once in three years. The maximum dollar amounts in Plans A, B and C shall be rounded to the nearest multiple of $10.