What does it mean when a claim is denied for Invalid from or thru DOS?
When monthly supplies are furnished to a Member or a monthly rental of DME equipment is billed into Capstone Health Plan the provider will need to span date the purchase or rental for the time frame that it is encompassed. Example: Line 24A on HCFA 1500 09/11/06 (beginning DOS), 10/10/06 (ending DOS), 24B place of service 12 (home), line 24C Type of Service R (rental), line 24D B9002 RR (Procedures services or supplies CPT/HCPCS and Modifier[s]{infusion pump rental}), line 24E diagnosis code (the number that is associated in line 21 (1,2,3,4), line 24F charges for item line 24G days or units (should be 1 for 1 month). In some cases an itemized statement will need to be attached to the submitted claim (generic codes {B9998}).
