O41.93X1 vs Z03.7

O41.93X1 (Disorder of amniotic fluid and membranes, unspecified, third trimester, fetus 1) compared with Z03.7 (Encounter for suspected maternal and fetal conditions ruled out), from the official CMS tabular data. Do not report these codes together: the official tabular list marks them Excludes1.

Relationship

Conflict

Excludes1 conflict

O41.93X1

Disorder of amniotic fluid and membranes, unspecified, third trimester, fetus 1

↔

Z03.7

Encounter for suspected maternal and fetal conditions ruled out

Not coded here — these two are mutually exclusive.

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

An Excludes1 note means the two conditions cannot occur together, so the pair should not be reported for the same encounter. The sole exception is when the conditions are documented as unrelated to each other.

Source: CMS ICD-10-CM tabular instructional notes; ICD-10-CM Official Guidelines, Section I.A.12.a

Can these codes be reported together?

No — do not report together. O41.93X1 carries an Excludes1 note covering Z03.7: “encounter for suspected maternal and fetal conditions ruled out (Z03.7-)”

Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).

Side by side

	O41.93X1Disorder of amniotic fluid and membranes, unspecified, third trimester, fetus 1	Z03.7Encounter for suspected maternal and fetal conditions ruled out
Billing status	Billable	Non-billable header
Classification	O00-O9A — Pregnancy, Childbirth and the Puerperium (O00-O9A)	Z00-Z99 — Factors Influencing Health Status and Contact with Health Services (Z00-Z99)
Definition	Disorder of amniotic fluid and membranes, unspecified, third trimester, fetus 1 is a billable ICD-10-CM diagnosis code (O41.931).	Encounter for suspected maternal and fetal conditions ruled out is a non-billable ICD-10-CM category code (Z03.7).
7th character	One of the following 7th characters is to be assigned to each code under category O41. 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 O41 that has a 7th character of 1 through 9.	—
Includes	—	Encounter for suspected maternal and fetal conditions not found

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Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources