Global LOINC Code

Name: Global LOINC Code
Creator: TestPattern Community
License: https://opensource.org/licenses/MIT

Detects LOINC laboratory observation codes in nnnnn-n form.

Type: regex
Engine: boost_regex
Confidence: medium
Confidence justification: Medium confidence; LOINC keywords required.
Jurisdictions: global, us
Regulations: HIPAA, CLIA
Frameworks: ISO 27001, ISO 27701
Data categories: healthcare, phi
Scope: narrow
Risk rating: 5
Platform compatibility: Purview: Compatible, GCP DLP: Compatible, Macie: Compatible, Zscaler: Compatible, Palo Alto: Compatible, Netskope: Compatible

Pattern

\b\d{1,5}-\d{1}\b

Corroborative evidence keywords

[object Object], LOINC code, ICD-10, ICD-9, [object Object], [object Object], SNOMED, HCPCS, diagnosis code, procedure code, drug code, patient, clinical, medical, health, hospital, practitioner, diagnosis, treatment, prescription (+6 more)

Proximity: 300 characters

Should match

2345-7 — LOINC
4548-4 — HbA1c style
718-7 — Short

Should not match

2345-70 — 2-digit check
23457 — No hyphen
2345- — Missing digit

Known false positives

Other catalog codes. Mitigation: Require LOINC keywords.