O41.109: Infct of amniotic sac and membranes, unsp, unsp trimester
Infection of amniotic sac and membranes, unspecified, unspecified trimester
Quick Clinical & Billing Summary
What is ICD-10-CM code O41.109? O41.109 represents Infct of amniotic sac and membranes, unsp, unsp trimester. Under official CDC guidelines, this code is non-billable and requires additional specificity.
Code Hierarchy & Classification
Clinical Guidance & Documentation Standards
Associated Procedures & Medicare RVU Reimbursement
Open RVU Calculator →Typical outpatient and office evaluation procedures frequently billed alongside diagnosis O41.109:
| CPT/HCPCS | Description | Work RVU | Non-Facility Fee | Facility Fee |
|---|---|---|---|---|
| 99213 | Office/outpatient visit, established patient, 20-29 minutes (Low MDM) | 1.30 | $91.69 | $66.79 |
| 99214 | Office/outpatient visit, established patient, 30-39 minutes (Moderate MDM) | 1.92 | $133.61 | $100.21 |
| 96372 | Therapeutic, prophylactic, or diagnostic injection (subcutaneous/intramuscular) | 0.17 | $18.34 | $12.44 |
CPT Modifier & Billing Rules
Append when a significant, separately identifiable evaluation and management service is provided on the same calendar day as a minor surgical procedure or injection.
Identifies procedures or services not normally reported together but distinct under the clinical circumstances. Use CMS X-modifiers (XE, XS, XP, XU) where required by Medicare.
Frequently Asked Questions about O41.109
Is O41.109 a billable ICD-10 code?
No, O41.109 is a non-billable category code that requires additional digits to specify clinical details.
What is the ICD-10 code for Infct of amniotic sac and membranes, unsp, unsp trimester?
The primary ICD-10-CM code for Infct of amniotic sac and membranes, unsp, unsp trimester is O41.109.
What is the effective date of the current O41.109 code?
The code is active for fiscal year FY2027, effective starting 2026-10-01.
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