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ICD-10-CM · FY 2026 APRIL UPDATE

O26

Maternal care for other conditions predominantly related to pregnancy

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
O26.0Excessive weight gain in pregnancyCategory
O26.00Excessive weight gain in pregnancy, unspecified trimesterBillable
O26.01Excessive weight gain in pregnancy, first trimesterBillable
O26.02Excessive weight gain in pregnancy, second trimesterBillable
O26.03Excessive weight gain in pregnancy, third trimesterBillable
O26.1Low weight gain in pregnancyCategory
O26.10Low weight gain in pregnancy, unspecified trimesterBillable
O26.11Low weight gain in pregnancy, first trimesterBillable
O26.12Low weight gain in pregnancy, second trimesterBillable
O26.13Low weight gain in pregnancy, third trimesterBillable
O26.2Pregnancy care for patient with recurrent pregnancy lossCategory
O26.20Pregnancy care for patient with recurrent pregnancy loss, unspecified trimesterBillable
O26.21Pregnancy care for patient with recurrent pregnancy loss, first trimesterBillable
O26.22Pregnancy care for patient with recurrent pregnancy loss, second trimesterBillable
O26.23Pregnancy care for patient with recurrent pregnancy loss, third trimesterBillable
O26.3Retained intrauterine contraceptive device in pregnancyCategory
O26.30Retained intrauterine contraceptive device in pregnancy, unspecified trimesterBillable
O26.31Retained intrauterine contraceptive device in pregnancy, first trimesterBillable
O26.32Retained intrauterine contraceptive device in pregnancy, second trimesterBillable
O26.33Retained intrauterine contraceptive device in pregnancy, third trimesterBillable
O26.4Herpes gestationisCategory
O26.40Herpes gestationis, unspecified trimesterBillable
O26.41Herpes gestationis, first trimesterBillable
O26.42Herpes gestationis, second trimesterBillable
O26.43Herpes gestationis, third trimesterBillable
O26.5Maternal hypotension syndromeCategory
O26.50Maternal hypotension syndrome, unspecified trimesterBillable
O26.51Maternal hypotension syndrome, first trimesterBillable
O26.52Maternal hypotension syndrome, second trimesterBillable
O26.53Maternal hypotension syndrome, third trimesterBillable

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.