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ICD-10-CM · FY 2026 APRIL UPDATE

O31

Complications specific to multiple gestation

Diagnosis reference

Nonbillable category

This entry is a category or subcategory. Choose the appropriate billable descendant based on the clinical documentation.

Effective periodOctober 1, 2026–September 30, 2027
SourceCMS ICD-10-CM order file
ClassificationDiagnosis · clinical modification

Related entries

Up to 30 descendants in this category

CODEDESCRIPTIONTYPE
O31.0Papyraceous fetusCategory
O31.00Papyraceous fetus, unspecified trimesterCategory
O31.00X0Papyraceous fetus, unspecified trimester, not applicable or unspecifiedBillable
O31.00X1Papyraceous fetus, unspecified trimester, fetus 1Billable
O31.00X2Papyraceous fetus, unspecified trimester, fetus 2Billable
O31.00X3Papyraceous fetus, unspecified trimester, fetus 3Billable
O31.00X4Papyraceous fetus, unspecified trimester, fetus 4Billable
O31.00X5Papyraceous fetus, unspecified trimester, fetus 5Billable
O31.00X9Papyraceous fetus, unspecified trimester, other fetusBillable
O31.01Papyraceous fetus, first trimesterCategory
O31.01X0Papyraceous fetus, first trimester, not applicable or unspecifiedBillable
O31.01X1Papyraceous fetus, first trimester, fetus 1Billable
O31.01X2Papyraceous fetus, first trimester, fetus 2Billable
O31.01X3Papyraceous fetus, first trimester, fetus 3Billable
O31.01X4Papyraceous fetus, first trimester, fetus 4Billable
O31.01X5Papyraceous fetus, first trimester, fetus 5Billable
O31.01X9Papyraceous fetus, first trimester, other fetusBillable
O31.02Papyraceous fetus, second trimesterCategory
O31.02X0Papyraceous fetus, second trimester, not applicable or unspecifiedBillable
O31.02X1Papyraceous fetus, second trimester, fetus 1Billable
O31.02X2Papyraceous fetus, second trimester, fetus 2Billable
O31.02X3Papyraceous fetus, second trimester, fetus 3Billable
O31.02X4Papyraceous fetus, second trimester, fetus 4Billable
O31.02X5Papyraceous fetus, second trimester, fetus 5Billable
O31.02X9Papyraceous fetus, second trimester, other fetusBillable
O31.03Papyraceous fetus, third trimesterCategory
O31.03X0Papyraceous fetus, third trimester, not applicable or unspecifiedBillable
O31.03X1Papyraceous fetus, third trimester, fetus 1Billable
O31.03X2Papyraceous fetus, third trimester, fetus 2Billable
O31.03X3Papyraceous fetus, third trimester, fetus 3Billable

Use the complete reference

This reference does not reproduce the full tabular hierarchy, inclusion notes, Excludes1/2 notes, sequencing instructions, or seventh-character rules. Review the official tables and coding guidelines.

Open official CMS files

ICD-10-CM codes describe diagnoses. They do not have an independent Medicare PFS reimbursement amount, and billability alone does not establish coverage.