---
title: "Run classification discordance analysis"
method: POST
path: "/sessions/{session_id}/variants/discordance-analysis"
tags: ["discordance"]
---

# Run classification discordance analysis

`POST /sessions/{session_id}/variants/discordance-analysis`

## Request

- Base URL: `https://api.helena.bio` (the document declares no server; this is the origin it was published from)
- URL: `https://api.helena.bio/sessions/{session_id}/variants/discordance-analysis`
- Auth: HTTP bearer

Scans classified variants for internal inconsistencies, ClinVar disagreements, predictor conflicts, criteria anomalies, frequency conflicts, constraint mismatches, and inheritance mode issues. Platform admin only. Read-only.

## Path parameters

- `session_id` string, uuid, required

## Request body

- DiscordanceRequest: Optional request body for discordance analysis.
  - `checks` string[], nullable: Specific checks to run. Default: all checks.
  - `max_results_per_check` integer: Max variants per check (per sub-check for criteria anomalies).

## Response `200`

Successful Response

- DiscordanceResponse: Full discordance analysis response.
  - `session_id` string, required
  - `classifier_version_current` string, required
  - `classifier_version_data` string
  - `total_variants_analyzed` integer, required
  - `total_discordances` integer, required
  - `summary` object
  - `format_warnings` string[]
  - `checks` object

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/helena/apis/helix-insight-variant-analysis-service.md) · [All operations](https://skmtc.dev/helena/apis/helix-insight-variant-analysis-service/llms.txt) · [OpenAPI document](https://skmtc.dev/helena/apis/helix-insight-variant-analysis-service/revisions/fe51fd20cdf1?raw)