Effective from
- Inherited rules changed
Maternal care for other (suspected) fetal abnormality and damage, fetal genitourinary anomalies, fetus 1
Billable diagnosis code
CDC/NCHS · FY2024code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.
supervision of normal pregnancy (Z34.-)
any associated maternal condition
encounter for suspected maternal and fetal conditions ruled out (Z03.7-)
0 — not applicable or unspecified
1 — fetus 1
2 — fetus 2
3 — fetus 3
4 — fetus 4
5 — fetus 5
9 — other fetus
Coverage depends on the payer, service and applicable policy. A billable code does not guarantee payment.
For US diagnosis claims covered by HIPAA, ICD-10-CM is required from October 1, 2015.
Use the service date for outpatient/professional claims and the discharge date for hospital inpatient claims. Earlier encounters use ICD-9-CM; each individual code must also be valid for the applicable date.
Official coding guidelines → · CMS ↗First observed · 2022-10-01
Latest recorded change · FY2024
Effective from
Maternal care for other (suspected) fetal abnormality and damage, fetal genitourinary anomalies, fetus 1
Billable diagnosis code
CDC/NCHS · FY2024| All editions | Effective from | Code history |
|---|---|---|
| FY2023 | 2022-10-01 | Added |
| FY2023 · 04-01 | 2023-04-01 | No tabular change |
| FY2024 | 2023-10-01 | Inherited rules changed |
| FY2024 · 04-01 | 2024-04-01 | No tabular change |
| FY2025 | 2024-10-01 | No tabular change |
| FY2025 · 04-01 | 2025-04-01 | No tabular change |
| FY2026 | 2025-10-01 | No tabular change |
| FY2026 · April | 2026-04-01 | No tabular change |
| FY2027 | 2026-10-01 | No tabular change |
The official Tabular List has no additional instructions at this code level.
Review the instructions inherited from its parent categories below. Inherited instructions ↓
supervision of normal pregnancy (Z34.-)
code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.
the listed conditions in the fetus as a reason for hospitalization or other obstetric care to the mother, or for termination of pregnancy
encounter for suspected maternal and fetal conditions ruled out (Z03.7-)
any associated maternal condition
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
Historical assignments from the CDC conversion table support data retrieval. They do not authorize substituting a previous code for the current code.
Previous assignment: O35.8XX1
Other entries in the same category; these are not automatic substitutes.
| Code | Description | Category · further specificity required |
|---|---|---|
| O35.EXX0 | Maternal care for other (suspected) fetal abnormality and damage, fetal genitourinary anomalies, not applicable or unspecified | Billable / specific |
| O35.EXX2 | Maternal care for other (suspected) fetal abnormality and damage, fetal genitourinary anomalies, fetus 2 | Billable / specific |
| O35.EXX3 | Maternal care for other (suspected) fetal abnormality and damage, fetal genitourinary anomalies, fetus 3 | Billable / specific |
| O35.EXX4 | Maternal care for other (suspected) fetal abnormality and damage, fetal genitourinary anomalies, fetus 4 | Billable / specific |
| O35.EXX5 | Maternal care for other (suspected) fetal abnormality and damage, fetal genitourinary anomalies, fetus 5 | Billable / specific |
| O35.EXX9 | Maternal care for other (suspected) fetal abnormality and damage, fetal genitourinary anomalies, other fetus | Billable / specific |
Official titles and instructions are preserved in their source language. Official sources ↗