O36.5
Non-Billable

Maternal care for known or suspected poor fetal growth

Non-Billable / Non-Specific Code

What is Maternal care for known or suspected poor fetal growth?

ICD-10-CM O36.5 is the diagnosis code for Maternal care for known or suspected poor fetal growth. This code falls under the section "Maternal care related to the fetus and amniotic cavity and possible delivery problems" within Chapter 15 — Pregnancy, childbirth and the puerperium (O00-O9A). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

Coding Guidelines for O36.5

Always refer to the official ICD-10-CM Tabular List for complete coding guidelines. Ensure documentation supports the specificity of the code selected. When in doubt, consult a certified medical coder or the latest CMS guidelines.

ICD-10-CM Code Hierarchy

Understanding where O36.5 sits in the ICD-10-CM classification helps ensure proper coding:

Sub-Codes 2 entries
O36.51Maternal care for known or suspected placental insufficiencyNon-BillableO36.511Maternal care for known or suspected placental insufficiency, first trimesterBillableO36.512Maternal care for known or suspected placental insufficiency, second trimesterBillableO36.513Maternal care for known or suspected placental insufficiency, third trimesterBillableO36.519Maternal care for known or suspected placental insufficiency, unspecified trimesterBillableO36.59Maternal care for other known or suspected poor fetal growthNon-BillableO36.591Maternal care for other known or suspected poor fetal growth, first trimesterBillableO36.592Maternal care for other known or suspected poor fetal growth, second trimesterBillableO36.593Maternal care for other known or suspected poor fetal growth, third trimesterBillableO36.599Maternal care for other known or suspected poor fetal growth, unspecified trimesterBillable
Related Codes

Frequently Asked Questions

Is O36.5 a billable ICD-10-CM code?

No, O36.5 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does O36.5 mean?

O36.5 is the ICD-10-CM diagnosis code for "Maternal care for known or suspected poor fetal growth". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of O36.5?

The parent code of O36.5 is O36 ("Maternal care for other fetal problems"). O36.5 provides a more specific classification within this category.

What section is O36.5 in?

O36.5 is located in Section O30-O48 — "Maternal care related to the fetus and amniotic cavity and possible delivery problems" within Chapter 15 of the ICD-10-CM Tabular List.

What are the sub-codes of O36.5?

O36.5 has 2 sub-code(s) that provide more specific detail: O36.51, O36.59.

When should I use O36.5?

Use O36.5 when the patients documented diagnosis matches "Maternal care for known or suspected poor fetal growth" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Maternal care for known or suspected poor fetal growth?

The ICD-10-CM code for Maternal care for known or suspected poor fetal growth is O36.5.

Can O36.5 be used for primary diagnosis?

No, O36.5 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is O36.5 in?

O36.5 is in Chapter 15 of the ICD-10-CM Tabular List.

Is O36.5 valid for 2026?

Yes, O36.5 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousO36.4Maternal care for intrauterine deathNext →O36.51Maternal care for known or suspected placental insufficiency
Code Details
O36.5
Maternal care for known or suspected poor fetal growth
Non-Billable / Non-Specific Code
15 — Pregnancy, childbirth and the puerperium (O00-O9A)
O30-O48 — Maternal care related to the fetus and amniotic cavity and possible delivery problems
2026 ICD-10-CM