O35.FXX4

O35.FXX4: Maternal care for other (suspected) fetal abnormality and damage, fetal musculoskeletal anomalies of trunk, fetus 4

Billable / specific codeICD-10-CM

O35.FXX4 is a billable, specific ICD-10-CM code for maternal care for other (suspected) fetal abnormality and damage, fetal musculoskeletal anomalies of trunk, fetus 4. It is valid for submission on a claim.

Check O35.FXX4 with the rest of the claim: free scrubber

7th character "4": fetus 4

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.

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

Excludes2: not included here, but may coexist

The excluded condition is not part of this code, but a patient can have both. You may code both.

maternal care for other (suspected) fetal abnormality and damage, fetal lower extremities anomalies (O35.H)
maternal care for other (suspected) fetal abnormality and damage, fetal upper extremities anomalies (O35.G)

Excludes1 inherited from the categories above O35.FXX4

A category’s note binds every code beneath it.

Written on O35: Maternal care for known or suspected fetal abnormality and damage

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

Excludes2 inherited from the categories above O35.FXX4

Not part of this code, but both may be coded when both are present.

Written on O35.F: Maternal care for other (suspected) fetal abnormality and damage, fetal musculoskeletal anomalies of trunk

maternal care for other (suspected) fetal abnormality and damage, fetal lower extremities anomalies (O35.H)
maternal care for other (suspected) fetal abnormality and damage, fetal upper extremities anomalies (O35.G)

Other codes that can never be billed with O35.FXX4

Their own Excludes1 notes name this code, so the conflict is not listed above.

Z03.7Encounter for suspected maternal and fetal conditions ruled out

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Code history

Unchanged in every release from FY2024 to FY2027.