Question 1

What is HCPCS code G0659?

Accepted Answer

HCPCS code G0659 is "Drug test def simple all cl". Drug test(s), definitive, utilizing drug identification methods able to identify individual drugs and distinguish between structural isomers (but not necessarily stereoisomers), including but not limited to gc/ms (any type, single or tandem) and lc/ms (any type, single or tandem), excluding immunoassays (e.g., ia, eia, elisa, emit, fpia) and enzymatic methods (e.g., alcohol dehydrogenase), performed without method or drug-specific calibration, without matrix-matched quality control material, or without use of stable isotope or other universally recognized internal standard(s) for each drug, drug metabolite or drug class per specimen; qualitative or quantitative, all sources, includes specimen validity testing, per day, any number of drug classes

Question 2

What category is G0659 in?

Accepted Answer

G0659 belongs to HCPCS Category G (Procedures/Professional Services).

Question 3

When should I use HCPCS code G0659?

Accepted Answer

Use G0659 when billing for drug test def simple all cl. 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

What ICD-10 codes are commonly used with G0659?

Accepted Answer

Common ICD-10 diagnosis codes used with G0659 include: E03.5 (Myxedema coma), E87.20 (Acidosis, unspecified), E87.21 (Acute metabolic acidosis), E87.22 (Chronic metabolic acidosis). Always ensure proper medical documentation supports the medical necessity for the HCPCS code being billed.

Question 5

Is G0659 covered by Medicare?

Accepted Answer

Coverage for G0659 (Drug test def simple all cl) 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 6

What documentation is required for G0659?

Accepted Answer

Documentation for G0659 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).