O12.0
Non-Billable

Gestational edema

Non-Billable / Non-Specific Code

What is Gestational edema?

ICD-10-CM O12.0 is the diagnosis code for Gestational edema. This code falls under the section "Edema, proteinuria and hypertensive disorders in pregnancy, childbirth and the puerperium" 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 O12.0

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 O12.0 sits in the ICD-10-CM classification helps ensure proper coding:

Sub-Codes 6 entries
O12.00Gestational edema, unspecified trimesterBillableO12.01Gestational edema, first trimesterBillableO12.02Gestational edema, second trimesterBillableO12.03Gestational edema, third trimesterBillableO12.04Gestational edema, complicating childbirthBillableO12.05Gestational edema, complicating the puerperiumBillable
Related Codes

Frequently Asked Questions

Is O12.0 a billable ICD-10-CM code?

No, O12.0 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does O12.0 mean?

O12.0 is the ICD-10-CM diagnosis code for "Gestational edema". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of O12.0?

The parent code of O12.0 is O12 ("Gestational [pregnancy-induced] edema and proteinuria without hypertension"). O12.0 provides a more specific classification within this category.

What section is O12.0 in?

O12.0 is located in Section O10-O16 — "Edema, proteinuria and hypertensive disorders in pregnancy, childbirth and the puerperium" within Chapter 15 of the ICD-10-CM Tabular List.

What are the sub-codes of O12.0?

O12.0 has 6 sub-code(s) that provide more specific detail: O12.00, O12.01, O12.02, O12.03, O12.04 and more.

When should I use O12.0?

Use O12.0 when the patients documented diagnosis matches "Gestational edema" 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 Gestational edema?

The ICD-10-CM code for Gestational edema is O12.0.

Can O12.0 be used for primary diagnosis?

No, O12.0 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is O12.0 in?

O12.0 is in Chapter 15 of the ICD-10-CM Tabular List.

Is O12.0 valid for 2026?

Yes, O12.0 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousO12Gestational [pregnancy-induced] edema and proteinuria without hypertensionNext →O12.00Gestational edema, unspecified trimester
Code Details
O12.0
Gestational edema
Non-Billable / Non-Specific Code
15 — Pregnancy, childbirth and the puerperium (O00-O9A)
O10-O16 — Edema, proteinuria and hypertensive disorders in pregnancy, childbirth and the puerperium
2026 ICD-10-CM