O26.1
ICD-10Non-billable categoryLow weight gain in pregnancy
Official ICD-10-CM descriptor (FY2026)
Low weight gain in pregnancy
O26.1 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.
ICD-10-CM FY2026 defines 4 codes beneath O26.1. See the ICD-10-CM index for what this site publishes.
Related codes in O26
- O26.0Excessive weight gain in pregnancycategory
- O26.2Pregnancy care for patient with recurrent pregnancy losscategory
- O26.3Retained intrauterine contraceptive device in pregnancycategory
- O26.4Herpes gestationiscategory
- O26.5Maternal hypotension syndromecategory
- O26.6Liver & biliary trac disord in preg, chldbrth and the puerpcategory
- O26.7Sublux of symphysis (pubis) in preg, chldbrth and the puerpcategory
- O26.8Other specified pregnancy related conditionscategory
- O26.9Pregnancy related conditions, unspecifiedcategory
Where this code sits
- Parent code
- O26
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.