X12-271-NM1

X12 271 NM1 is the NM1 segment in X12 271 (Eligibility Benefit Inquiry Response) Transaction Set that identifies a patient or member covered by health insurance.

Definition

In HIPAA 271, the NM1 loop 2100x successively identifies Information Source, Information Receiver, Subscriber and Dependent. Code qualifier IL (Insured/Subscriber) for the subscriber, QC (Patient) for a patient, 1P (Provider) for a provider.

Origin

Included since 271 version 004010 (1996) and unchanged in 005010 (2008), the current HIPAA production version in the United States.

Use

For patient John Smith covered by an Aetna plan: NM1*IL*1*SMITH*JOHN*B***34*123456789. Code 34 is the SSN qualifier, followed by the Social Security Number.

Related terms

• X12 — the parent standard.
• HIPAA — regulation.
• HIPAA X12N — HIPAA bundle.
• N1 — generic X12 equivalent.