A1Occurrence CodeInsured A

Reports the birthdate of the primary insured individual (Insured A).

Related Insured A codes

A2Reports the effective date of the primary insured's (Insured A's) policy.A3Reports the date the primary payer's (Payer A's) benefits were exhausted.A4Reports a split-bill date related to a Medicaid spend-down period.

Frequently asked questions

What does occurrence code A1 mean?

Reports the birthdate of the primary insured individual (Insured A).

What category is occurrence code A1 in?

A1 falls under the Insured A category of UB-04 occurrence codes.

Descriptions sourced from CMS Medicare Claims Processing Manual. Always verify codes with authoritative sources before making billing decisions.