ICD-10-CM code O99.213 represents obesity complicating pregnancy, third trimester. This code falls under the Pregnancy, childbirth and the puerperium (O00-O9A) classification. It is a billable/specific code valid for HIPAA-covered transactions as of October 1, 2025 (FY2026). This code can be used to indicate a diagnosis for reimbursement purposes on insurance claims.

This is a 7-character code at the 6th level of specificity. This is the most specific code available in this subcategory.

Frequently Asked Questions

What is ICD-10 code O99.213?

ICD-10-CM code O99.213 is "Obesity complicating pregnancy, third trimester". It belongs to the category: Pregnancy, childbirth and the puerperium (O00-O9A).

Is O99.213 a billable ICD-10 code?

Yes, O99.213 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

Can O99.213 be coded with other codes?

O99.213 has 4 Excludes2 note(s). These conditions can be coded together if both are documented in the patient record.

Related Codes in O99.21

Other codes in the same category that may be relevant for differential coding:

O99.210Obesity complicating pregnancy, unspecified trimester O99.211Obesity complicating pregnancy, first trimester O99.212Obesity complicating pregnancy, second trimester O99.214Obesity complicating childbirth O99.215Obesity complicating the puerperium

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Code Information

CodeO99.213

BillableYes

ParentO99.21

CategoryPregnancy, childbirth and the puerperium (O00-O9A)

Excludes10 rule(s)

Excludes24 note(s)

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)