O36.59
Non-Billable

Maternal care for other known or suspected poor fetal growth

Non-Billable / Non-Specific Code

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

ICD-10-CM O36.59 is the diagnosis code for Maternal care for other 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.

💡 Inclusions

Coding Guidelines for O36.59

✅ This Code Includes

  • Maternal care for known or suspected light-for-dates NOS
  • Maternal care for known or suspected small-for-dates NOS

ICD-10-CM Code Hierarchy

Understanding where O36.59 sits in the ICD-10-CM classification helps ensure proper coding:

Sub-Codes 4 entries
O36.591Maternal 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 O36.59 a billable ICD-10-CM code?

No, O36.59 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does O36.59 mean?

O36.59 is the ICD-10-CM diagnosis code for "Maternal care for other 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 O36.59?

The parent code of O36.59 is O36.5 ("Maternal care for known or suspected poor fetal growth"). O36.59 provides a more specific classification within this category.

What section is O36.59 in?

O36.59 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 O36.59?

O36.59 has 4 sub-code(s) that provide more specific detail: O36.591, O36.592, O36.593, O36.599.

When should I use O36.59?

Use O36.59 when the patients documented diagnosis matches "Maternal care for other 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 other known or suspected poor fetal growth?

The ICD-10-CM code for Maternal care for other known or suspected poor fetal growth is O36.59.

Can O36.59 be used for primary diagnosis?

No, O36.59 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is O36.59 in?

O36.59 is in Chapter 15 of the ICD-10-CM Tabular List.

Is O36.59 valid for 2026?

Yes, O36.59 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousO36.519Maternal care for known or suspected placental insufficiency, unspecified trimesterNext →O36.591Maternal care for other known or suspected poor fetal growth, first trimester
Code Details
O36.59
Maternal care for other 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