---
title: "SQL-126: Retrieve CbpDiagnosis via QueryDiagnosis"
summary: Read operation against CbpDiagnosis via NHibernate ORM.
status: draft
owner: SAIF Doc Gen
last_reviewed: 2026-09-24
library: SAIF.Services
reference_type: package
---

# SQL-126: Retrieve CbpDiagnosis via QueryDiagnosis

This ORM statement performs a read operation on `CbpDiagnosis` via `IUnitOfWork.GetRepository<T>()`, executed from `Services/SAIF.Services/Claims/Bills/DiagnosisService.cs (L58)`.

## Classification

| Field | Value |
| --- | --- |
| **SQL ID** | SQL-126 |
| **Operation type** | Read |
| **Execution method** | ORM (NHibernate LINQ) |
| **Database** | Oracle |
| **Schema** | [unqualified]** |
| **Command type** | N/A (ORM-generated) |
| **Business object** | `CbpDiagnosis` |
| **Criteria property** | N/A — ORM |
| **Lifecycle method** | `QueryDiagnosis` |

## Parameters

| Parameter | Direction | Type | Max length | Description |
| --- | --- | --- | --- | --- |
| `code` | Input | ** | N/A | `x.DiagnosisCode == code` → column DIAGNOSIS_CODE |
| `null` | Input | ** | N/A | `x.ExpirationDate == null` → column EXP_DATE |
| `DateTime.Today` | Input | ** | N/A | `x.ExpirationDate > …` → column EXP_DATE |

## Tables

| Table | Access | Columns used |
| --- | --- | --- |
| [CBP_DIAGNOSIS](../database-tables.md#cbp_diagnosis) | SELECT | `DIAGNOSIS_CODE`, `UPDATE_NUM`, `ICD_VERSION_CODE`, `DIAGNOSIS_DESCR`, `DIAGNOSIS_SHORT_DESCR`, `DIAGNOSIS_CATEGORY_CODE`, `VALID_MEDICARE_REPORT_FLAG`, `EFF_DATE`, `EXP_DATE`, `UPDATE_USER`, `UPDATE_DATE` |

## LINQ statement

Source: `Services/SAIF.Services/Claims/Bills/DiagnosisService.cs:58`

```csharp
// Services/SAIF.Services/Claims/Bills/DiagnosisService.cs:58-59
            var diagnosis = unitOfWork.GetRepository<CbpDiagnosis>().Query().FirstOrDefault(x => x.DiagnosisCode == code
                && (includeExpired == true || (x.ExpirationDate == null || x.ExpirationDate > DateTime.Today)));
```

## 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
-- Services/SAIF.Services/Claims/Bills/DiagnosisService.cs:58
SELECT *
FROM (
  SELECT
    CD.DIAGNOSIS_CODE,
    CD.UPDATE_NUM,
    CD.ICD_VERSION_CODE,
    CD.DIAGNOSIS_DESCR,
    CD.DIAGNOSIS_SHORT_DESCR,
    CD.DIAGNOSIS_CATEGORY_CODE,
    CD.VALID_MEDICARE_REPORT_FLAG,
    CD.EFF_DATE,
    CD.EXP_DATE,
    CD.UPDATE_USER,
    CD.UPDATE_DATE
  FROM CBP_DIAGNOSIS CD
  WHERE CD.DIAGNOSIS_CODE = :code
    AND (:includeExpired = 1 OR (CD.EXP_DATE IS NULL OR CD.EXP_DATE > :today))
)
WHERE ROWNUM <= 1
```

Translation notes:
- `includeExpired == true` references only a method argument -> pre-evaluated client-side to a constant; rendered as `:includeExpired = 1` to show intent.
- `DateTime.Today` -> `:today`.

## Operations and processes
- DiagnosisService.QueryDiagnosis — see [Operations and processes](../operations-processes.md)

## Sources
- `Services/SAIF.Services/Claims/Bills/DiagnosisService.cs (L58)`