ICD-10-CM > O00-O9A > O30-O48 > O41 > O41.9 O41.9 Disorder of amniotic fluid and membranes, unspecified Non-Billable/Non-Specific Codes O41.90Disorder of amniotic fluid and membranes, unspecified, unspecified trimesterO41.90X0..., not applicable or unspecifiedO41.90X1..., fetus 1O41.90X2..., fetus 2O41.90X3..., fetus 3O41.90X4..., fetus 4O41.90X5..., fetus 5O41.90X9..., other fetusO41.91Disorder of amniotic fluid and membranes, unspecified, first trimesterO41.91X0..., not applicable or unspecifiedO41.91X1..., fetus 1O41.91X2..., fetus 2O41.91X3..., fetus 3O41.91X4..., fetus 4O41.91X5..., fetus 5O41.91X9..., other fetusO41.92Disorder of amniotic fluid and membranes, unspecified, second trimesterO41.92X0..., not applicable or unspecifiedO41.92X1..., fetus 1O41.92X2..., fetus 2O41.92X3..., fetus 3O41.92X4..., fetus 4O41.92X5..., fetus 5O41.92X9..., other fetusO41.93Disorder of amniotic fluid and membranes, unspecified, third trimesterO41.93X0..., not applicable or unspecifiedO41.93X1..., fetus 1O41.93X2..., fetus 2O41.93X3..., fetus 3O41.93X4..., fetus 4O41.93X5..., fetus 5O41.93X9..., other fetus