O36.21X2 ICD-10-CM Code: Maternal care for hydrops fetalis, first trimester, fetus 2
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Code definition
Official description
O36.21X2Maternal care for hydrops fetalis, first trimester, fetus 2
ICD-10-CM diagnosis code · United States clinical modification
Classification
Where O36.21X2 sits
- 1
Chapter 15
Pregnancy, childbirth and the puerperium (O00-O9A)
- 2
Section
Maternal care related to the fetus and amniotic cavity and possible delivery problems (O30-O48)
- 3
Category O36
Maternal care for other fetal problems
- 4
Subcategory O36.21
Maternal care for hydrops fetalis, first trimester
- 5
Code O36.21X2
Maternal care for hydrops fetalis, first trimester, fetus 2
Documentation details
Notes for this code
Inclusion terms
No inclusion terms are listed for O36.21X2.
Code first
No “code first” instruction is listed for O36.21X2.
Use additional code
No “use additional code” instruction is listed for O36.21X2.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for O36.21X2.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for O36.21X2.
Transparency
Source and release
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Review the CDC/NCHS ICD-10-CM sourceCode-specific guidance
Frequently asked questions
What does ICD-10-CM code O36.21X2 mean?
O36.21X2 is the FY 2027 U.S. ICD-10-CM code for “Maternal care for hydrops fetalis, first trimester, fetus 2.”
Is O36.21X2 a billable or specific ICD-10-CM code?
Yes. In the FY 2027 reference data used on this page, O36.21X2 has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.
Where is O36.21X2 located in ICD-10-CM?
O36.21X2 is listed in Chapter 15, Pregnancy, childbirth and the puerperium (O00-O9A), within Maternal care related to the fetus and amniotic cavity and possible delivery problems (O30-O48) (O30–O48), under category O36, Maternal care for other fetal problems and subcategory O36.21, Maternal care for hydrops fetalis, first trimester.
What coding notes are listed for O36.21X2?
No inclusion terms are listed for O36.21X2 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.
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