O26.0 Excessive weight gain in pregnancy

⚠ Non-Billable ICD-10-CM 2026
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The ICD-10-CM code for Excessive weight gain in pregnancy is O26.0 (FY2026). It is a non-billable category code — select a more specific code below for claims.

Classification

Section
O20-O29: Other maternal disorders predominantly related to pregnancy (O20-O29)
Category O26
93 codes (72 billable)
FY2026 Status
Stable since FY2024

Also Known As

ICD-10-CM Alphabetic Index entries that lead to O26.0:

  • Pregnancy (single) (uterine) › complicated by (care of) (management affected by) › excessive weight gain
Excludes2
Not included here. These conditions are coded elsewhere but may be coded together if applicable.
  • gestational edema (O12.0, O12.2)

References

Related Codes

Parent Code

O26 Maternal care for other conditions predominantly related to pregnancy

More Specific Codes

O26.00 Excessive weight gain in pregnancy, unspecified trimester O26.01 Excessive weight gain in pregnancy, first trimester O26.02 Excessive weight gain in pregnancy, second trimester O26.03 Excessive weight gain in pregnancy, third trimester

Related Codes in O26

O26 Maternal care for other conditions predominantly related to pregnancy O26.00 Excessive weight gain in pregnancy, unspecified trimester O26.01 Excessive weight gain in pregnancy, first trimester O26.02 Excessive weight gain in pregnancy, second trimester O26.03 Excessive weight gain in pregnancy, third trimester O26.1 Low weight gain in pregnancy O26.10 Low weight gain in pregnancy, unspecified trimester O26.11 Low weight gain in pregnancy, first trimester O26.12 Low weight gain in pregnancy, second trimester O26.13 Low weight gain in pregnancy, third trimester O26.2 Pregnancy care for patient with recurrent pregnancy loss O26.20 Pregnancy care for patient with recurrent pregnancy loss, unspecified trimester O26.21 Pregnancy care for patient with recurrent pregnancy loss, first trimester O26.22 Pregnancy care for patient with recurrent pregnancy loss, second trimester O26.23 Pregnancy care for patient with recurrent pregnancy loss, third trimester O26.3 Retained intrauterine contraceptive device in pregnancy O26.30 Retained intrauterine contraceptive device in pregnancy, unspecified trimester O26.31 Retained intrauterine contraceptive device in pregnancy, first trimester O26.32 Retained intrauterine contraceptive device in pregnancy, second trimester O26.33 Retained intrauterine contraceptive device in pregnancy, third trimester
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Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2025-10-01

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