O35.9 Maternal care for (suspected) fetal abnormality and damage, unspecified

Non-billable ICD-10-CM code.

Applies from O35 Maternal care for known or suspected fetal abnormality and damage

Includes

• the listed conditions in the fetus as a reason for hospitalization or other obstetric care to the mother, or for termination of pregnancy

Excludes1 (never code together)

• encounter for suspected maternal and fetal conditions ruled out (Z03.7-)

Code also

• any associated maternal condition

7th character note

• One of the following 7th characters is to be assigned to each code under category O35. 7th character 0 is for single gestations and multiple gestations where the fetus is unspecified. 7th characters 1 through 9 are for cases of multiple gestations to identify the fetus for which the code applies. The appropriate code from category O30, Multiple gestation, must also be assigned when assigning a code from category O35 that has a 7th character of 1 through 9.

7th character required

• 0 — not applicable or unspecified
• 1 — fetus 1
• 2 — fetus 2
• 3 — fetus 3
• 4 — fetus 4
• 5 — fetus 5
• 9 — other fetus

Code annotations containing back-references to O35.9

Back-references to O35

• Type 2 Excludes: O98 Maternal infectious and parasitic diseases classifiable elsewhere but complicating pregnancy, childbirth and the puerperium ("when the reason for maternal care is that the disease is known or suspected to have affected the fetus (O35-O36)")
• Type 2 Excludes: O99 Other maternal diseases classifiable elsewhere but complicating pregnancy, childbirth and the puerperium ("when the reason for maternal care is that the condition is known or suspected to have affected the fetus (O35-O36)")
• Type 1 Excludes: Z03.7 Encounter for suspected maternal and fetal conditions ruled out ("known or suspected fetal anomalies affecting management of mother, not ruled out (O26.-, O35.-, O36.-, O40.-, O41.-)")

Diagnosis Index entries for O35.9

• Pregnancy (single) (uterine) › complicated by (care of) (management affected by) › fetal (maternal care for) › abnormality or damage

Nearby codes

• O35.8XX2 Maternal care for other (suspected) fetal abnormality and damage, fetus 2
• O35.8XX3 Maternal care for other (suspected) fetal abnormality and damage, fetus 3
• O35.8XX4 Maternal care for other (suspected) fetal abnormality and damage, fetus 4
• O35.8XX5 Maternal care for other (suspected) fetal abnormality and damage, fetus 5
• O35.8XX9 Maternal care for other (suspected) fetal abnormality and damage, other fetus
• O35.9 Maternal care for (suspected) fetal abnormality and damage, unspecified (this code)
• O35.9XX0 Maternal care for (suspected) fetal abnormality and damage, unspecified, not applicable or unspecified
• O35.9XX1 Maternal care for (suspected) fetal abnormality and damage, unspecified, fetus 1
• O35.9XX2 Maternal care for (suspected) fetal abnormality and damage, unspecified, fetus 2
• O35.9XX3 Maternal care for (suspected) fetal abnormality and damage, unspecified, fetus 3
• O35.9XX4 Maternal care for (suspected) fetal abnormality and damage, unspecified, fetus 4