O26.13
BillableLow weight gain in pregnancy, third trimester
This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).
What This Code Means
A pregnant woman has gained less weight than is typically recommended during the third trimester (weeks 21 until delivery).
Coding Tips
- •Third trimester begins at week 21 and continues until delivery; confirm documentation specifies this late pregnancy period.
- •Inadequate weight gain in the third trimester may affect fetal growth and development; document clinical monitoring and interventions.
Code Hierarchy
└O26Maternal care for other conditions predominantly related to pregnancy└O26.1Low weight gain in pregnancy└O26.13Low weight gain in pregnancy, third trimester
└O26.13Low weight gain in pregnancy, third trimester