---
title: "SQL-101: EbillEobQueryProvider.GetCompletedZeroPaymentBillsForEob"
summary: Read operation for `EbillEobQueryProvider.GetCompletedZeroPaymentBillsForEob`
status: draft
owner: SAIF.Core documentation team
last_reviewed: 2026-09-24
library: SAIF.Data
reference_type: package
---

# SQL-101: EbillEobQueryProvider.GetCompletedZeroPaymentBillsForEob

This statement is a read operation invoked through ORM (NHibernate LINQ). Executed by `EbillEobQueryProvider.GetCompletedZeroPaymentBillsForEob`.

## Classification

| Field | Value |
| --- | --- |
| **SQL ID** | SQL-101 |
| **Operation type** | Read |
| **Execution method** | ORM (NHibernate LINQ) |
| **Database** | Oracle* |
| **Schema** | [unqualified]** |
| **Command type** | N/A (ORM-generated) |
| **Business object** | `EbillEobQueryProvider` |
| **Criteria property** | N/A — ORM |
| **Lifecycle method** | `GetCompletedZeroPaymentBillsForEob` |


## Tables

| Table | Access | Columns used |
| --- | --- | --- |
| [EBILL](../database-tables.md#ebill) | SELECT | `EBILL_SEQ_NUM`, `UPDATE_NUM`, `CLEARINGHOUSE_CONTROL_NUM`, `STATEMENT_FROM_DATE`, `STATEMENT_THRU_DATE`, `INJURY_DATE`, `ADMISSION_DATE`, `DISCHARGE_DATE`, `ORIGINAL_BILL_ID`, `BILL_TOTAL_AMOUNT`, `UB_BILL_TYPE_CODE`, `SERVICE_LOCATION_CODE`, `FACILITY_NPI`, `SUBMITTER_CONTROL_NUM`, `TRANSACTION_SET_CONTROL_NUM`, `UPDATE_USER`, `UPDATE_DATE`, `CLEARINGHOUSE_RECEIVED_DATE`, `CBP_ADMISSION_TYPE_CODE`, `BILL_ID`, `EBILL_RECEIPT_BATCH_SEQ_NUM`, `EBILL_PATIENT_SEQ_NUM`, `EBILL_STATUS_CODE`, `FACILITY_ADDRESS_SEQ_NUM`, `EBILL_SET_TYPE_CODE`, `EBILL_FIRST_RESPONSE_SEQ_NUM`, `EBILL_LAST_RESPONSE_SEQ_NUM`, `EBILL_RESPONSE_SET_SEQ_NUM`, `EBILL_EOB_SEQ_NUM` |
| [CBP_BILL](../database-tables.md#cbp_bill) | JOIN | `BILL_ID`, `CURRENT_BILL_STATUS_CODE` |
| [CBP_AUDIT](../database-tables.md#cbp_audit) | EXISTS | `BILL_ID` |
| [CBP_AUDIT](../database-tables.md#cbp_audit) | SELECT (correlated SUM subquery) | `TOTAL_ALLOWED_AMT`, `BILL_ID` |

## LINQ statement

Source: `Data/SAIF.Data/Queries/Claims/Ebilling/EbillEobQueryProvider.cs:40`

The repository is a class field initialised from `Factory.GetRepository<Ebill>()` at `Data/SAIF.Data/Queries/Claims/Ebilling/EbillEobQueryProvider.cs:21`.

```csharp
// Data/SAIF.Data/Queries/Claims/Ebilling/EbillEobQueryProvider.cs:21
ebillRepository = Factory.GetRepository<Ebill>().Query();

// Data/SAIF.Data/Queries/Claims/Ebilling/EbillEobQueryProvider.cs:40
return ebillRepository
        .Where(e => e.Bill != null &&
                    e.Bill.BillStatus.Code == "COM" &&
                    e.Bill.Audits.Any() &&
                    e.Bill.Audits.Sum(a => a.TotalAllowedAmount) == 0 &&
                    e.Eob == null);
```

## Sample SQL

> **Inferred SQL:** This SQL was inferred from the LINQ statement above and the NHibernate mappings. It is not concrete SQL from source code; NHibernate generates the executed statement at runtime, so aliases, column order, join syntax, and bind-parameter names may differ.

```sql
-- Inferred from LINQ (NHibernate mapping translation); not concrete SQL
SELECT
  E.EBILL_SEQ_NUM,
  E.UPDATE_NUM,
  E.CLEARINGHOUSE_CONTROL_NUM,
  E.STATEMENT_FROM_DATE,
  E.STATEMENT_THRU_DATE,
  E.INJURY_DATE,
  E.ADMISSION_DATE,
  E.DISCHARGE_DATE,
  E.ORIGINAL_BILL_ID,
  E.BILL_TOTAL_AMOUNT,
  E.UB_BILL_TYPE_CODE,
  E.SERVICE_LOCATION_CODE,
  E.FACILITY_NPI,
  E.SUBMITTER_CONTROL_NUM,
  E.TRANSACTION_SET_CONTROL_NUM,
  E.UPDATE_USER,
  E.UPDATE_DATE,
  E.CLEARINGHOUSE_RECEIVED_DATE,
  E.CBP_ADMISSION_TYPE_CODE,
  E.BILL_ID,
  E.EBILL_RECEIPT_BATCH_SEQ_NUM,
  E.EBILL_PATIENT_SEQ_NUM,
  E.EBILL_STATUS_CODE,
  E.FACILITY_ADDRESS_SEQ_NUM,
  E.EBILL_SET_TYPE_CODE,
  E.EBILL_FIRST_RESPONSE_SEQ_NUM,
  E.EBILL_LAST_RESPONSE_SEQ_NUM,
  E.EBILL_RESPONSE_SET_SEQ_NUM,
  E.EBILL_EOB_SEQ_NUM
FROM EBILL E
  INNER JOIN CBP_BILL CB
    ON CB.BILL_ID = E.BILL_ID
WHERE E.BILL_ID IS NOT NULL
  AND CB.CURRENT_BILL_STATUS_CODE = 'COM'
  AND EXISTS (
    SELECT 1
    FROM CBP_AUDIT CA
    WHERE CA.BILL_ID = CB.BILL_ID)
  AND (
    SELECT SUM(CA2.TOTAL_ALLOWED_AMT)
    FROM CBP_AUDIT CA2
    WHERE CA2.BILL_ID = CB.BILL_ID) = 0
  AND E.EBILL_EOB_SEQ_NUM IS NULL
```

Translation notes:

- `e.Bill != null` becomes `E.BILL_ID IS NOT NULL`, with no join on its own. The join to `CBP_BILL` comes from `e.Bill.BillStatus`, which is a non-identifier property of `CbpBill`. `BillStatus.Code` is the status identifier (`CbpBillStatusCodeMap.cs` L14), so it short-circuits to `CB.CURRENT_BILL_STATUS_CODE`.
- `e.Bill.Audits` is `HasMany(...).KeyColumn("BILL_ID")` (`CbpBillMap.cs` L72). `Any()` becomes `EXISTS`. The in-predicate `Sum(a => a.TotalAllowedAmount)` becomes a correlated scalar `SUM` subquery over `CBP_AUDIT`.
- `e.Eob == null` becomes `E.EBILL_EOB_SEQ_NUM IS NULL`, with no join.
- The method returns the un-materialized `IQueryable` as `IEnumerable<Ebill>`. SQL runs when the caller enumerates it.
- NHibernate may write the correlated subqueries against `E.BILL_ID` instead of `CB.BILL_ID`. The two are equivalent, because the join is on that column.

## Operations and processes

- [E-bill processing queries](../operations/e-bill-processing-queries.md)

## Business rules

- [SD-BR-054 Zero-pay EOB candidate criteria](../business-rules.md#sd-br-054-zero-pay-eob-candidate-criteria)

## Sources
- `Data/SAIF.Data/Queries/Claims/Ebilling/EbillEobQueryProvider.cs:40`