US NDC Drug Code

Detects US National Drug Codes (NDC) identifying drug products, including common dashed labeler formats (4-4-2, 5-3-2, 5-4-2) and HIPAA 11-digit zero-padded forms. Structural NDC candidates used in pharmacy, claims, and clinical product coding.

Type

regex

Engine

boost_regex

Confidence

medium

Confidence justification

Medium confidence: digit groupings can match other catalog codes; drug/NDC keywords are required for reliable detection.

Jurisdictions

us, global

Regulations

HIPAA, FD&C Act, CCPA/CPRA

Frameworks

ISO 27001, ISO 27701

Data categories

healthcare, phi

Scope

narrow

Risk rating

3

Platform compatibility

Purview: Compatible, GCP DLP: Compatible, Macie: Compatible, Zscaler: Compatible, Palo Alto: Compatible, Netskope: Unsupported

Pattern

\b(?:\d{5}-\d{4}-\d{2}|\d{4}-\d{4}-\d{2}|\d{5}-\d{3}-\d{2}|\d{11})\b

Corroborative evidence keywords

NDC, national drug code, NDC code, drug code, ICD-10, ICD-9, [object Object], [object Object], SNOMED, HCPCS, diagnosis code, procedure code, patient, clinical, medical, health, hospital, practitioner, diagnosis, treatment (+7 more)

Proximity: 300 characters

Should match

• 0777-3105-02 — 5-4-2 package format
• 0002-7597-01 — Alternate 4-4-2 style padded labeler
• 00002759701 — 11-digit HIPAA form

Should not match

• 0777-3105-0 — Trailing group only 1 digit
• 0777310502 — 10 digits continuous (not 11)
• 0777-3105-021 — Trailing group 3 digits
• 12345-678 — Only 2 groups instead of 3 (missing package segment) (merged from companion SIT)
• 123-4567-01 — Wrong digit count in first group (3 instead of 4 or 5) (merged from companion SIT)
• 12345-67890-1 — Too many digits in second group (merged from companion SIT)
• template example placeholder record identifier — Template/sample context should be excluded even when anchor words are present (merged from companion SIT)
• Warehouse SKU 0002-3227-01 — Valid-shaped inventory value must remain discovery-only (merged from companion SIT)

Known false positives

• SKU/catalog numbers with similar dash groups on non-drug products. Mitigation: Require NDC/drug/Rx/pharmaceutical keywords.

References

• FDA National Drug Code Directory

Collections

• Coverage Phase 1 Priority Identifiers