For refinance transactions and manual and DU underwriting methods the property value used in the calculation of the LTV ratio1 is the current appraised value.
1. As defined in the Glossary E-3-15, Glossary of Fannie Mae Terms: O, the original loan amount is the amount of the loan as indicated by the note.
For complete details, see B2-1.2-01, Loan-to-Value (LTV) Ratios.