ICD-10-CM · Chapter 15 · O00–O9A
O26.91
Pregnancy related conditions, unspecified, first trimester
Pregnancy, childbirth and the puerperium
Quick facts
- Code
- O26.91
- Type
- Billable code
- ICD-10-CM chapter
- Chapter 15 — Pregnancy, childbirth and the puerperium
- Category
- O26 — Maternal care for other conditions predominantly related to pregnancy
- Specificity
- 5 characters
How coders use this code
ICD-10-CM O26.91 is a billable, fully specified code, so it can be reported directly on a claim to document a diagnosis of pregnancy related conditions, unspecified, first trimester. Coders assign it when the chart documentation supports this level of detail, always matching to the most specific code available and verifying against the chapter-specific guidelines published annually by NCHS/CMS.
Related codes in O26
- O26Maternal care for other conditions predominantly related to pregnancy
- O26.0Excessive weight gain in pregnancy
- O26.00Excessive weight gain in pregnancy, unspecified trimester
- O26.01Excessive weight gain in pregnancy, first trimester
- O26.02Excessive weight gain in pregnancy, second trimester
- O26.03Excessive weight gain in pregnancy, third trimester
- O26.1Low weight gain in pregnancy
- O26.10Low weight gain in pregnancy, unspecified trimester
- O26.11Low weight gain in pregnancy, first trimester
- O26.12Low weight gain in pregnancy, second trimester
- O26.13Low weight gain in pregnancy, third trimester
- O26.2Pregnancy care for patient with recurrent pregnancy loss
- O26.20Pregnancy care for patient with recurrent pregnancy loss, unspecified trimester
- O26.21Pregnancy care for patient with recurrent pregnancy loss, first trimester
- O26.22Pregnancy care for patient with recurrent pregnancy loss, second trimester
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