Question 1

What is ICD-10 code O82?

Accepted Answer

O82 is the ICD-10-CM diagnosis code for encounter for cesarean delivery without indication. A cesarean section (surgical delivery) performed without a medical indication or reason documented. O82 sits in the ICD-10-CM chapter for pregnancy, childbirth and the puerperium (o00-o9a), within the section covering encounter for delivery (o80-o82).

O82 is a billable ICD-10-CM code but does not map to a payment HCC under the CMS-HCC V28, V24, ESRD, or RxHCC risk adjustment models. It can be reported on Medicare Advantage encounter data submissions but it does not contribute to a beneficiary's RAF score and therefore does not affect risk-adjusted payments to the plan.

This code is used for elective cesarean delivery without documented medical necessity.

Question 2

Is O82 an HCC code?

Accepted Answer

No. O82 is a billable ICD-10-CM code but does not map to any payment HCC category under the CMS-HCC V28, V24, ESRD, or RxHCC risk adjustment models. It can still be reported on Medicare Advantage encounter data submissions, but it does not contribute to the beneficiary's Risk Adjustment Factor (RAF) score and therefore does not affect the risk-adjusted capitation payment to the plan. V28 reached 100% phase-in for payment year 2026.

Question 3

Is O82 billable?

Accepted Answer

Yes. O82 is a billable ICD-10-CM code that can be reported on professional and institutional claims as a primary or secondary diagnosis when the provider documentation supports the specific condition described. Billable codes in ICD-10-CM are coded to the highest level of specificity available for the documented diagnosis. O82 is current for fiscal year 2026 and remains in the active CMS ICD-10-CM code set published by the National Center for Health Statistics.

Question 4

What is the V28 vs V24 difference for O82?

Accepted Answer

O82 does not map to a payment HCC under either the CMS-HCC V28 risk adjustment model or the older V24 model. V28 reached 100% phase-in for payment year 2026, replacing V24 which was used during the PY2024–PY2025 transition. Because neither model rewards O82 with a risk adjustment factor, it contributes zero to a Medicare Advantage beneficiary's RAF score in either version. Coders should check whether provider documentation supports a more specific child code that does map to a payment HCC.

Question 5

What should coders know when reporting O82?

Accepted Answer

This code is used for elective cesarean delivery without documented medical necessity Ensure documentation clearly states there was no medical indication for the cesarean section

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O82 ICD-10-CM Code: Encounter for cesarean delivery without indication

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O82

Is O82 an HCC code?

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What This Code Means

Coding Tips

Use Additional Code

Code Hierarchy

Work O82 in HCC Buddy