ICD-10-CM > O00-O9A > O30-O48 > O41 > O41.9 > O41.93 O41.93 Disorder of amniotic fluid and membranes, unspecified, third trimester Non-Billable/Non-Specific Codes O41.93X0..., not applicable or unspecifiedO41.93X1..., fetus 1O41.93X2..., fetus 2O41.93X3..., fetus 3O41.93X4..., fetus 4O41.93X5..., fetus 5O41.93X9..., other fetus