Question 1

What is HCPCS code G2156?

Accepted Answer

HCPCS code G2156 is "No prior td or hx contra". Patient did not receive at least one td vaccine or one tdap vaccine between nine years prior to the start of the measurement period and the end of the measurement period; or have history of at least one of the following contraindications any time during or before the measurement period: anaphylaxis due to tdap vaccine, anaphylaxis due to td vaccine or its components; encephalopathy due to tdap or td vaccination (post tetanus vaccination encephalitis, post diphtheria vaccination encephalitis or post pertussis vaccination encephalitis.)

Question 2

What category is G2156 in?

Accepted Answer

G2156 belongs to HCPCS Category G (Procedures/Professional Services).

Question 3

When should I use HCPCS code G2156?

Accepted Answer

Use G2156 when billing for no prior td or hx contra. HCPCS Level II codes like this are used for items and services not covered by CPT codes, including medical supplies, equipment, drugs administered in clinical settings, and certain healthcare services.

Question 4

Is G2156 covered by Medicare?

Accepted Answer

Coverage for G2156 (No prior td or hx contra) depends on medical necessity and specific Medicare guidelines. Check the applicable Local Coverage Determination (LCD) or National Coverage Determination (NCD) for detailed coverage criteria. Private insurers may have different coverage policies.

Question 5

What documentation is required for G2156?

Accepted Answer

Documentation for G2156 should include: the medical necessity for the item or service, supporting diagnosis codes (ICD-10), prescription or order from the treating physician, and proof that the item meets quality standards. Some items may require additional documentation like a Certificate of Medical Necessity (CMN).