O99.43
Billable

Diseases of the circulatory system complicating the puerperium

Billable / Specific Code

What is Diseases of the circulatory system complicating the puerperium?

ICD-10-CM O99.43 is the diagnosis code for Diseases of the circulatory system complicating the puerperium. This code falls under the section "Other obstetric conditions, not elsewhere classified" within Chapter 15 — Pregnancy, childbirth and the puerperium (O00-O9A). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. 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 O99.43

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 O99.43 sits in the ICD-10-CM classification helps ensure proper coding:

Related Codes

Frequently Asked Questions

Is O99.43 a billable ICD-10-CM code?

Yes, O99.43 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

What does O99.43 mean?

O99.43 is the ICD-10-CM diagnosis code for "Diseases of the circulatory system complicating the puerperium". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of O99.43?

The parent code of O99.43 is O99.4 ("Diseases of the circulatory system complicating pregnancy, childbirth and the puerperium"). O99.43 provides a more specific classification within this category.

What section is O99.43 in?

O99.43 is located in Section O94-O9A — "Other obstetric conditions, not elsewhere classified" within Chapter 15 of the ICD-10-CM Tabular List.

When should I use O99.43?

Use O99.43 when the patients documented diagnosis matches "Diseases of the circulatory system complicating the puerperium" 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 Diseases of the circulatory system complicating the puerperium?

The ICD-10-CM code for Diseases of the circulatory system complicating the puerperium is O99.43.

Can O99.43 be used for primary diagnosis?

Yes, O99.43 can be used as a primary diagnosis code since it is billable and specific.

What chapter is O99.43 in?

O99.43 is in Chapter 15 of the ICD-10-CM Tabular List.

Is O99.43 valid for 2026?

Yes, O99.43 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousO99.42Diseases of the circulatory system complicating childbirthNext →O99.5Diseases of the respiratory system complicating pregnancy, childbirth and the puerperium
Code Details
O99.43
Diseases of the circulatory system complicating the puerperium
Billable / Specific Code
15 — Pregnancy, childbirth and the puerperium (O00-O9A)
O94-O9A — Other obstetric conditions, not elsewhere classified
2026 ICD-10-CM