O99.13
✓ BillableOther diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating the puerperium
Pregnancy, childbirth and the puerperium (O00-O9A)
❌ Excludes1
inheritedRules inherited from parent codes in the hierarchy.
- • hemorrhage with coagulation defects (O45.-, O46.0-, O67.0, O72.3)
⚠️ Excludes2
inheritedRules inherited from parent codes.
- • when the reason for maternal care is that the condition is known or suspected to have affected the fetus (O35-O36)
📋 Code Instructions
inherited- • code to identify specific condition
Clinical Description
ICD-10-CM code O99.13 represents other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating the puerperium. 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 6-character code at the 5th level of specificity. This is the most specific code available in this subcategory. Coders should note that O99.13 has 1 Excludes1 restriction(s) — codes that cannot be reported together on the same claim.
Frequently Asked Questions
What is ICD-10 code O99.13?
ICD-10-CM code O99.13 is "Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating the puerperium". It belongs to the category: Pregnancy, childbirth and the puerperium (O00-O9A).
Is O99.13 a billable ICD-10 code?
Yes, O99.13 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
What codes are excluded with O99.13?
O99.13 has 1 Excludes1 rule(s). These codes are mutually exclusive and cannot be coded together on the same claim.
Can O99.13 be coded with other codes?
O99.13 has 1 Excludes2 note(s). These conditions can be coded together if both are documented in the patient record.
Related Codes in O99.1
Other codes in the same category that may be relevant for differential coding:
🧪 Validate Combinations
Add O99.13 to the Excludes Checker to validate against your full code list.
Open in Checker →Code Information
Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)