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ICD-10-CM · FY 2026 APRIL UPDATE

O36.599

Maternal care for other known or suspected poor fetal growth, unspecified trimester

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
O36.5990Maternal care for other known or suspected poor fetal growth, unspecified trimester, not applicable or unspecifiedBillable
O36.5991Maternal care for other known or suspected poor fetal growth, unspecified trimester, fetus 1Billable
O36.5992Maternal care for other known or suspected poor fetal growth, unspecified trimester, fetus 2Billable
O36.5993Maternal care for other known or suspected poor fetal growth, unspecified trimester, fetus 3Billable
O36.5994Maternal care for other known or suspected poor fetal growth, unspecified trimester, fetus 4Billable
O36.5995Maternal care for other known or suspected poor fetal growth, unspecified trimester, fetus 5Billable
O36.5999Maternal care for other known or suspected poor fetal growth, unspecified trimester, other fetusBillable

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.