O26.11
✓ Billable
Low weight gain in pregnancy, first trimester
ICD-10-CM · FY2026 · Pregnancy, Childbirth and the Puerperium
Code
O26.11
System
ICD-10-CM
Billable
Yes — valid for submission
Effective
FY2026
Chapter
Pregnancy, Childbirth and the Puerperium
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code O26.11?
ICD-10-CM code O26.11 represents Low weight gain in pregnancy, first trimester. It is a billable diagnosis code in the Pregnancy, Childbirth and the Puerperium chapter, effective October 1, 2025 – September 30, 2026.
Is O26.11 billable?
Yes. O26.11 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is O26.11 in?
O26.11 belongs to the Pregnancy, Childbirth and the Puerperium chapter (O00–O9A) of ICD-10-CM.
Related codes in the O26 category
O26
Maternal care for other conditions predominantly related to pregnancy
Non-billable
O26.0
Excessive weight gain in pregnancy
Non-billable
O26.1
Low weight gain in pregnancy
Non-billable
O26.2
Pregnancy care for patient with recurrent pregnancy loss
Non-billable
O26.3
Retained intrauterine contraceptive device in pregnancy
Non-billable
O26.4
Herpes gestationis
Non-billable
O26.5
Maternal hypotension syndrome
Non-billable
O26.6
Liver and biliary tract disorders in pregnancy, childbirth and the puerperium
Non-billable
Search all 98,186 ICD-10-CM codes instantly
Search ICDwise →