# Ppdb Price Anomaly Check

> Use when a Sobrus product price looks wrong, when validating PPV or PPH values, when a price conflicts with an official source, or when deciding whether a pricing discrepancy blocks a record.

- Skill: `ahinleew-aivju833/ppdb-price-anomaly-check` (Agent Skill)
- Install (CLI): `npx skillmds@latest add ahinleew-aivju833/ppdb-price-anomaly-check`
- Raw SKILL.md: https://api.skillmd.com/api/skills/ahinleew-aivju833/ppdb-price-anomaly-check/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: ahinleew-aivju833 (https://skillmd.com/u/ahinleew-aivju833)
- Updated: 2026-09-22
- Page: https://skillmd.com/skills/ahinleew-aivju833/ppdb-price-anomaly-check

---


# Checking a PPDB price anomaly

## Overview

Price is the largest rule family in the catalogue (10 of 36 rules) and the one with
the most 🔴 Critique entries. Moroccan drug prices are regulated in bands, so "looks
high" is not a judgement call — there is a rule.

**REQUIRED:** the `using-ppdb-mcp` skill covers connection and tool selection.

## Steps

1. **Load the rules — do not recall them.**
   ```
   ppdb_list_anomaly_rules(famille="Prix")
   ```
   Returns all 10 with their severity and a concrete example of each violation.

2. **Classify the product.** Regulated bands apply to `Médicament`. Parapharmacy and
   compléments alimentaires are not price-banded — check the category first with
   `ppdb_get_data_model` if unsure.

3. **Check against the official source.** *Prix différent de la source officielle*
   (écart with AMMPS) is 🔴 Critique. Find the authoritative source:
   ```
   ppdb_list_sources(nature="Officiel", type_produit="Medicament")
   ```

4. **Apply the severity's defined action.** Each level carries one — the legend comes
   back with the rules. 🔴 Critique is *correction obligatoire*, not advisory.

5. **If the fix touches a critical field, require two sources.** Governance Règle 05:
   prix, DCI and AMM need two concordant sources. Confirm with
   `ppdb_get_governance_rules` rather than assuming.

## What the bands actually encode

The rules reference PPV thresholds and fixed-margin tiers between PPV and PPH. Read
the exact wording from the tool — the rows are terse and paraphrasing them loses the
threshold. Report the rule text verbatim alongside your conclusion.

## Common mistakes

**Calling a price "aberrant" without citing a rule.** *Prix aberrant* is its own rule
(🟠 Majeure, market-average comparison) and is distinct from being outside a
regulated band (🔴 Critique). They have different actions.

**Treating zero as merely missing.** *Prix obligatoire* (empty) and *Prix positif*
(zero or negative) are two separate 🔴 Critique rules. The audit found thousands of
active products priced at zero — that is the second rule, not the first.

**Applying medicine bands to parapharmacy.** Classify before you judge.

**Proposing a correction from one source.** Règle 05 blocks it.

## Red flags

- About to state a price threshold from memory → call `ppdb_list_anomaly_rules`
- About to say "this price is fine" without naming the rule that clears it
- Recommending a change to prix/DCI/AMM citing a single source