This variable is contained in the following files: Carrier (Fee-for-Service), Durable Medical Equipment (Fee-for-Service)
Short SAS Name
ALOWCHRG
SAS Name
NCH_CARR_CLM_ALOWD_AMT

The total allowed charges on the claim (the sum of line item allowed charges).

Comments
: 

Sum of all the line LINE_NCH_PMT_AMT values for the claim.

Medicare payments are described in detail in a series of Medicare Payment Advisory Commission (MedPAC) documents called “Payment Basics” (see: http://www.medpac.gov/payment_basics.cfm).

Also in the Medicare Learning Network (MLN) “Payment System Fact Sheet Series” (see http://www.cms.gov/Outreach-and-Education/Medicare-Learning-NetworkMLN/MLNProducts/MLN-Publications.html).

Source: NCH QA Process