A7

HCPCS Level II modifier for wound dressing for seven wounds that can be used with CPT or HCPCS Level II codes. The use of this modifier has an impact on Medicare payment.

A8

HCPCS Level II modifier for CPT or HCPCS Level II codes indicating wound dressing for eight wounds. The use of this modifier has an impact on Medicare payment.

A9

HCPCS Level II modifier for CPT or HCPCS Level II codes indicating wound dressing for nine or more wounds. The use of this modifier has an impact on Medicare payment.

AA

HCPCS Level II modifier for anaesthesia performed by an anaesthetist that can be used with CPT or HCPCS Level II codes. The use of this modifier has an impact on Medicare payment.

Abandonment

The right of a insured to relinquish ownership of the insured property to the underwriter in exchange for a constructive total loss payment. The underwriter is not bound to accept abandonment but in doing so, he accepts responsibility for the property and liabilities attaching thereto, in addition to paying the full sum insured.

Marine: Mainly applies to marine insurance ( See Salvage ).

Property: It is expressly prohibited in most property polices.

Medical: To discontinue medical care by a provider without proper notice after accepting a patient.