France Health Insurance Number
Detects France Health Insurance Number patterns. This pattern is based on a Microsoft Purview built-in sensitive information type. Due to the generic numeric format, corroborative evidence keywords are essential for reliable detection.
- Type
- regex
- Engine
- universal
- Confidence
- high
- Confidence justification
- High confidence: the French health insurance number has a distinctive format starting with 1 or 2 followed by 13 digits with a specific structure encoding gender, birth year, month, and department. Added context gating and exclusion rules improve precision and reduce incidental matches.
- Detection quality
- Verified
- Jurisdictions
- fr, eu
- Regulations
- BDSG, CNIL / LIL, GDPR
- Frameworks
- ISO 27001, ISO 27701, SOC 2
- Data categories
- phi, health, pii
- Scope
- narrow
- Risk rating
- 8
- Platform compatibility
- Purview: Compatible, GCP DLP: Compatible, Macie: Compatible, Zscaler: Compatible, Palo Alto: Compatible, Netskope: Compatible
Pattern
\b[12]\s?\d{2}\s?\d{2}\s?\d{2}\s?\d{3}\s?\d{3}\s?\d{2}\b
Corroborative evidence keywords
sécurité sociale, numéro de sécu, carte vitale, assurance maladie, NIR, affilié, caisse primaire, CPAM, immatriculation, numéro de sécurité sociale, numéro SS, régime général, field, column, row, entry, record, value, form, register (+21 more)
Proximity: 300 characters
Should match
1 85 05 78 006 084 36— Standard spaced French social security number format2 93 11 75 123 456 78— Female social security number with spaces185057800608436— Continuous digits without spaces
Should not match
3 85 05 78 006 084 36— Starts with 3, invalid gender digit1 85 05 78 006 08— Too few digits for social security numbertemplate example placeholder record identifier— Template/sample context should be excluded even when anchor words are present
Known false positives
- Generic numeric sequences matching the digit pattern in non-health contexts Mitigation: Require corroborative evidence keywords within the proximity window to distinguish health identifiers from general numeric data.
- Reference numbers or account identifiers from other domains with similar digit counts Mitigation: Layer with document classification to prioritise matches in health and medical documents.