---
title: "SQL-012: clsNdcPriceHistoryCollection"
summary: Read statement for clsNdcPriceHistoryCollection.
status: draft
owner: SAIF Doc Gen
last_reviewed: 2026-07-28
library: SAIF.Business.Claim.MedicalBill
reference_type: package
---

# SQL-012: clsNdcPriceHistoryCollection

This statement supports `clsNdcPriceHistoryCollection` by executing a Read operation through inline.

## Classification

| Field | Value |
| --- | --- |
| **SQL ID** | SQL-012 |
| **Operation type** | Read |
| **Execution method** | Inline SQL |
| **Database** | Oracle |
| **Schema** | [unqualified]** |
| **Command type** | Text |
| **Business object** | `clsNdcPriceHistoryCollection` |
| **Criteria property** | `RetrieveSQL` |
| **Lifecycle method** | `BeforeRetrieve` |

## Parameters

| Parameter | Direction | Type | Max length | Description |
| --- | --- | --- | --- | --- |
| `:NationalDrugCode` | Input | Unknown | — | Passed from clsNdcPriceHistoryCollection via BeforeRetrieve. |

## Tables

| Table | Access | Columns used |
| --- | --- | --- |
| [CBP_NDC_PRICE_HISTORY](../database-tables.md#cbp_ndc_price_history) | Read | Not enumerated directly in the stage findings.** |

## Sample SQL

```sql
Select
    CBP_NDC_PRICE_HISTORY.NATIONAL_DRUG_CODE as NationalDrugCode,
    CBP_NDC_PRICE_HISTORY.EFF_DATE as EffDate,
    CBP_NDC_PRICE_HISTORY.EXP_DATE as ExpDate,
    CBP_NDC_PRICE_HISTORY.AVERAGE_WHOLESALE_UNIT_AMT as AverageWholesaleUnitAmt,
    CBP_NDC_PRICE_HISTORY.UPDATE_USER as UpdateUser,
    CBP_NDC_PRICE_HISTORY.UPDATE_NUM as UpdateNum,
    CBP_NDC_PRICE_HISTORY.UPDATE_DATE as UpdateDate,
    CBP_NDC_PRICE_HISTORY.ARCHIVE_DATE as ArchiveDate,
    CBP_NDC_PRICE_HISTORY.ARCHIVE_REASON as ArchiveReason
From CBP_NDC_PRICE_HISTORY
WHERE
    CBP_NDC_PRICE_HISTORY.NATIONAL_DRUG_CODE = :NationalDrugCode
```

## Operations and processes

- [clsNdcPriceHistoryCollection BeforeRetrieve](../operations/drug-pricing-data-management.md)

> **Note:** Statements marked with * were inferred from code structure, naming conventions, or
> contextual evidence where direct confirmation was not available in source artifacts. Statements
> marked with ** could not be confirmed; treat as unknown until verified.

## Sources

- `Business/SAIF.Business.Claim.MedicalBill/clsNdcPriceHistoryCollection.vb`