ICD-10-CM > O00-O9A > O30-O48 > O36 > O36.8 > O36.89 O36.89 Maternal care for other specified fetal problems Non-Billable/Non-Specific Codes O36.891Maternal care for other specified fetal problems, first trimesterO36.8910..., not applicable or unspecifiedO36.8911..., fetus 1O36.8912..., fetus 2O36.8913..., fetus 3O36.8914..., fetus 4O36.8915..., fetus 5O36.8919..., other fetusO36.892Maternal care for other specified fetal problems, second trimesterO36.8920..., not applicable or unspecifiedO36.8921..., fetus 1O36.8922..., fetus 2O36.8923..., fetus 3O36.8924..., fetus 4O36.8925..., fetus 5O36.8929..., other fetusO36.893Maternal care for other specified fetal problems, third trimesterO36.8930..., not applicable or unspecifiedO36.8931..., fetus 1O36.8932..., fetus 2O36.8933..., fetus 3O36.8934..., fetus 4O36.8935..., fetus 5O36.8939..., other fetusO36.899Maternal care for other specified fetal problems, unspecified trimesterO36.8990..., not applicable or unspecifiedO36.8991..., fetus 1O36.8992..., fetus 2O36.8993..., fetus 3O36.8994..., fetus 4O36.8995..., fetus 5O36.8999..., other fetus