O35.3 ICD-10-CM Code: Maternal care for (suspected) damage to fetus from viral disease in mother
Billing Status: NO. This is a clinician non-billable / parent hierarchy grouping in the ICD-10-CM system.
Official Registry Overview & Definition
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for O35.3 in the official ICD-10-CM tabular list.
Includes
Conditions the official ICD-10-CM tabular list includes under this code.
- the listed conditions in the fetus as a reason for hospitalization or other obstetric care to the mother, or for termination of pregnancy
Inclusion Terms
Alternative terms the tabular list files under this code.
- Maternal care for damage to fetus from maternal cytomegalovirus infection
- Maternal care for damage to fetus from maternal rubella
Excludes1 — Not Coded Here
Conditions generally not reported together with this code (Excludes1) -- an error unless the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
- encounter for suspected maternal and fetal conditions ruled out (Z03.7-) Compare O35.3 vs Z03.7 →
Code Also
Additional codes that may be required to fully describe the encounter.
- any associated maternal condition
Indexed Clinical Terms (6)
Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code.
- Infection, infected, infective (opportunistic), cytomegalovirus, cytomegaloviral, maternal, maternal care fordamage to fetus (suspected)
- Pregnancy (single) (uterine), complicated by (care of) (management affected by), fetal (maternal care for), damage from, maternal, cytomegalovirus infection
- Pregnancy (single) (uterine), complicated by (care of) (management affected by), fetal (maternal care for), damage from, maternal, rubella
- Pregnancy (single) (uterine), complicated by (care of) (management affected by), fetal (maternal care for), damage from, maternal, viral infection
- Rubella (German measles), maternal, care fordamage to fetus (suspected)
- Rubella (German measles), maternal, suspected damage to fetus affecting management of pregnancy
Frequently Compared Codes
The official Excludes notes on O35.3 name these codes. Each comparison page covers when the two can — or must not — be reported together.
Change history
No changes recorded for this code — unchanged since the FY2016 baseline of the change ledger.
Verify Before Coding
- Not billable as written — a more specific code is required.
- Requires a 7th character. "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." Options: O35.3XX0, O35.3XX1, O35.3XX2, O35.3XX3, O35.3XX4, O35.3XX5
From the code registry, the Medicare Code Editor, and the MS-DRG Definitions Manual. Check it against a full claim.
Relationships & Classification
Other codes that name O35.3 or its code family, from the CMS ICD-10-CM tabular instructional notes. Tabular-note edges are stored at the code family level that carries each note.
1 Excludes1 notes: Z03.7 (via O35.-).
Contextual Map
Every relationship of O35.3 in one view: hierarchy, official tabular instructions in both directions, clinical classification, risk adjustment, MS-DRG participation, index terms and change history — each edge carrying the CMS source it derives from.
Hierarchy
- O00-O9A — Chapter 15: Pregnancy, Childbirth and the Puerperium (O00-O9A) (O00-O9A) [Hierarchy]
- O30-O48 — Maternal care related to the fetus and amniotic cavity and possible delivery problems [Hierarchy]
- O35 — Clinical Diagnosis [Hierarchy]
Referenced by Excludes1 notes
- Z03.7 — Encounter for suspected maternal and fetal conditions ruled out [Excludes1](via O35.-): “known or suspected fetal anomalies affecting management of mother, not ruled out (O26.-, O35.-, O36.-, O40.-, O41.-)” · check together
Referenced by Excludes2 notes
- O98 — Maternal infectious and parasitic diseases classifiable elsewhere but complicating pregnancy, childbirth and the puerperium [Excludes2](via O35.-): “when the reason for maternal care is that the disease is known or suspected to have affected the fetus (O35-O36)” · check together
- O99 — Other maternal diseases classifiable elsewhere but complicating pregnancy, childbirth and the puerperium [Excludes2](via O35.-): “when the reason for maternal care is that the condition is known or suspected to have affected the fetus (O35-O36)” · check together
Index entries
- Infection, infected, infective (opportunistic), cytomegalovirus, cytomegaloviral, maternal, maternal care fordamage to fetus (suspected)[Index term]
- Pregnancy (single) (uterine), complicated by (care of) (management affected by), fetal (maternal care for), damage from, maternal, cytomegalovirus infection[Index term]
- Pregnancy (single) (uterine), complicated by (care of) (management affected by), fetal (maternal care for), damage from, maternal, rubella[Index term]
- Pregnancy (single) (uterine), complicated by (care of) (management affected by), fetal (maternal care for), damage from, maternal, viral infection[Index term]
- Rubella (German measles), maternal, care fordamage to fetus (suspected)[Index term]
- Rubella (German measles), maternal, suspected damage to fetus affecting management of pregnancy[Index term]
Nearest codes (40)
- O35 — Maternal care for known or suspected fetal abnormality and damage [Sibling]
- O35.15X3 — Maternal care for (suspected) chromosomal abnormality in fetus, sex chromosome abnormality, fetus 3 [Sibling]
- O35.15X4 — Maternal care for (suspected) chromosomal abnormality in fetus, sex chromosome abnormality, fetus 4 [Sibling]
- O35.15X5 — Maternal care for (suspected) chromosomal abnormality in fetus, sex chromosome abnormality, fetus 5 [Sibling]
- O35.15X9 — Maternal care for (suspected) chromosomal abnormality in fetus, sex chromosome abnormality, other fetus [Sibling]
- O35.19 — Maternal care for (suspected) chromosomal abnormality in fetus, other chromosomal abnormality [Sibling]
- O35.19X0 — Maternal care for (suspected) chromosomal abnormality in fetus, other chromosomal abnormality, not applicable or unspecified [Sibling]
- O35.19X1 — Maternal care for (suspected) chromosomal abnormality in fetus, other chromosomal abnormality, fetus 1 [Sibling]
- and 32 more
Frequently Asked Questions (FAQ) & Clinical Guidance
Can O35.3 be billed directly?
No. O35.3 (Maternal care for (suspected) damage to fetus from viral disease in mother) is a non-billable ICD-10-CM category code. A more specific billable subcode must be selected based on clinical documentation.
Does O35.3 require a 7th character?
Yes. 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..
Nearest Codes in This Family
Official ICD-10-CM classifications closest to O35.3 in its code family, with their registry titles.
- O35.2XX2 — Maternal care for (suspected) hereditary disease in fetus, fetus 2
- O35.2XX3 — Maternal care for (suspected) hereditary disease in fetus, fetus 3
- O35.2XX4 — Maternal care for (suspected) hereditary disease in fetus, fetus 4
- O35.2XX5 — Maternal care for (suspected) hereditary disease in fetus, fetus 5
- O35.2XX9 — Maternal care for (suspected) hereditary disease in fetus, other fetus
- O35.3XX0 — Maternal care for (suspected) damage to fetus from viral disease in mother, not applicable or unspecified
- O35.3XX1 — Maternal care for (suspected) damage to fetus from viral disease in mother, fetus 1
- O35.3XX2 — Maternal care for (suspected) damage to fetus from viral disease in mother, fetus 2
- O35.3XX3 — Maternal care for (suspected) damage to fetus from viral disease in mother, fetus 3
- O35.3XX4 — Maternal care for (suspected) damage to fetus from viral disease in mother, fetus 4