Z36.81
✓ Billable
Encounter for antenatal screening for hydrops fetalis
ICD-10-CM · FY2026 · Factors Influencing Health Status
Code
Z36.81
System
ICD-10-CM
Billable
Yes — valid for submission
Effective
FY2026
Chapter
Factors Influencing Health Status
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code Z36.81?
ICD-10-CM code Z36.81 represents Encounter for antenatal screening for hydrops fetalis. It is a billable diagnosis code in the Factors Influencing Health Status chapter, effective October 1, 2025 – September 30, 2026.
Is Z36.81 billable?
Yes. Z36.81 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is Z36.81 in?
Z36.81 belongs to the Factors Influencing Health Status chapter (Z00–Z99) of ICD-10-CM.
Related codes in the Z36 category
Z36
Encounter for antenatal screening of mother
Non-billable
Z36.0
Encounter for antenatal screening for chromosomal anomalies
Billable
Z36.1
Encounter for antenatal screening for raised alphafetoprotein level
Billable
Z36.2
Encounter for other antenatal screening follow-up
Billable
Z36.3
Encounter for antenatal screening for malformations
Billable
Z36.4
Encounter for antenatal screening for fetal growth retardation
Billable
Z36.5
Encounter for antenatal screening for isoimmunization
Billable
Z36.8
Encounter for other antenatal screening
Non-billable
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