Get started free

O36.591

Non-billable

Maternal care for other known or suspected poor fetal growth, first trimester

O36.591 is the ICD-10-CM code for Maternal care for other known or suspected poor fetal growth, first trimester. It is a non-billable category code — use a more specific child code such as O36.5910 for billing.

Status
Header (non-billable)
Chapter
O00-O9A
Parent
O36.59
Subcodes
7
Edition
FY2026

O00-O9A Pregnancy, childbirth and the puerperium

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code O36.591?
O36.591 is the ICD-10-CM code for "Maternal care for other known or suspected poor fetal growth, first trimester". It falls under O00-O9A Pregnancy, childbirth and the puerperium.
Is O36.591 a billable code?
No — O36.591 is a non-billable header code. Use a more specific child code (such as O36.5910) for billing.
What are the subcodes of O36.591?
O36.591 has 7 more specific child codes, including O36.5910, O36.5911, O36.5912.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

Look up another ICD-10 code or condition

Powered by Eleplan

Free ICD-10 lookup is just the start. Eleplan keeps the whole care plan in one place.

Diagnoses, medications, documents, appointments, and the whole care team — organized and always in sync, with Ellie, your AI care assistant, on top of it. Free to start.

Get started freeSee how Eleplan works →