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Micronutrient Testing
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Defines Oscar Health's coverage stance for laboratory testing of micronutrients (vitamins, minerals, intracellular assays) and explains limitations, clinical background, and related policies for providers submitting claims.
No material clinical or coverage changes in this revision.
Coverage Criteria for Micronutrient Testing
inv-01: Not Medically Necessary / Not Covered
Not covered when ALL of the following apply:
Oscar Health considers serum micronutrient testing as a general screen for nutritional disorders to not meet criteria because there is insufficient published scientific literature demonstrating that such broad screening is required or beneficial for diagnosis or treatment. Likewise, intracellular micronutrient panel testing (for example: SpectraCell, Cell Science Systems cell micronutrient assay, ExaTest) is explicitly stated as not meeting criteria in the policy’s indications and limitations of coverage.
Procedure codes listed in this policy are provided only as a general reference and may not be all‑inclusive. The presence or absence of a code in the policy does not guarantee coverage; providers should use the listed CPT/HCPCS codes as a billing reference but confirm coding and coverage requirements for each member and service.
Restating the policy position: serum micronutrient testing used as a general nutritional screen and intracellular micronutrient panel testing do not meet the policy’s coverage criteria due to lack of sufficient published evidence demonstrating clinical benefit.
Situations Where Testing May Be Considered
inv-21: Targeted testing in populations with suspected deficiency or specific conditions
Consider targeted testing ONLY when clinical suspicion for deficiency or a specific condition is present; documented examples and supporting evidence are limited and listed below.
Eligible clinical contexts (examples)
- Elderly patients with clinical signs or risk factors for micronutrient deficiency (e.g., malnutrition, unexplained weight loss, malabsorption)
- Patients with a history of bariatric surgery (post-gastric bypass) with symptoms or signs suggestive of deficiency
- Patients with nonalcoholic fatty liver disease (NAFLD) and clinical or laboratory findings suggesting advanced liver fibrosis where targeted serum micronutrient assessment may inform management
- Patients with specific disease contexts or medication-related risks where a targeted micronutrient evaluation is clinically indicated (examples described in small studies or case series)
Noncovered Tests and Indications
Not covered: intracellular micronutrient panel testing (examples expressly listed in the policy include SpectraCell, Cell Science Systems cellular micronutrient assay [CMA], and ExaTest). Also not covered is serum micronutrient testing when used as a general nutritional screening tool. Providers should reference the policy’s listed CPT/HCPCS codes when preparing authorizations or claims, recognizing that the code list is a general reference and may not be exhaustive.
Procedure Codes and Coding Notes
| 82128 | Amino acids; multiple, qualitative, each specimen |
| 82136 | Amino acids, 2 to 5 amino acids, quantitative, each specimen |
| 82180 | Ascorbic acid (vitamin c), blood |
| 82310 | Calcium; total |
| 82379 | Carnitine (total and free), quantitative each specimen |
| 82495 | Chromium |
| 82525 | Copper |
| 82978 | Glutathione |
| 83735 | Magnesium |
| 83785 | Manganese |
| 82128 | Amino acids; multiple, qualitative, each specimen. |
| 82136 | Amino acids, 2 to 5 amino acids, quantitative, each specimen. |
| 82180 | Ascorbic acid (vitamin c), blood. |
| 82310 | Calcium; total. |
| 82379 | Carnitine (total and free), quantitative each specimen. |
| 82495 | Chromium. |
| 82525 | Copper. |
| 82978 | Glutathione. |
| 83735 | Magnesium. |
| 83785 | Manganese. |
Provider Responsibilities and Billing Guidance
Authorization and medical necessity requirement
Services must meet authorization and medical necessity guidelines for the procedure, diagnosis, and member's state of residence; coding should follow the CPT/HCPCS codes listed in this policy when seeking authorization or submitting claims.
- Coverage and reimbursement are contingent on meeting authorization and medical necessity requirements.
- Code claims according to the CPT/HCPCS procedure codes listed in the policy.
Use policy-listed CPT/HCPCS procedure codes
When requesting authorization or submitting claims for micronutrient tests, use the procedure codes listed in the policy (e.g., 82128, 82136, 82180, 82310, 82379, 82495, 82525, 82978, 83735, 83785, 84207, 84252, 84255, 84425, 84446, 84590, 84591, 84597, 84630).
- Procedure codes in the policy are intended as the reference for authorization and claims.
- Procedure codes appearing in policy documents are provided as a general reference and may not be all-inclusive.
Important policy note for providers
Oscar's reimbursement policies guide accurate claims submission and do not guarantee payment; providers must ensure services meet authorization and medical necessity guidelines.
- Policy updates may modify coverage; providers should reference the current policy version.
Policy codes are a general reference
Procedure codes appearing in policy documents are included as a general reference and may not be exhaustive; absence of a code here does not by itself determine coverage.
- Verify applicable codes against current coding resources and payer guidance before billing.
Submit accurate documentation and follow coding standards
Providers are responsible for submission of accurate documentation of services performed and should code claims according to industry-standard coding guidelines.
- Follow Uniform Billing, AMA CPT guidance, HCPCS, ICD-10-CM/PCS, CMS NCCI edits and other applicable coding resources.
Billing should reference policy-listed CPT/HCPCS codes
Use the listed CPT/HCPCS procedure codes in this policy as the reference for billing micronutrient tests; procedure codes appearing in policy documents are provided as a general reference and may not be all‑inclusive.
- Ensure billing reflects the specific test performed and the appropriate CPT/HCPCS code from the policy list.
Risk of denial or recoupment for coding/documentation noncompliance
Claims may be denied or recouped if coding/billing guidelines or current reimbursement policies are not followed or if documentation is inaccurate or insufficient.
- Maintain complete clinical documentation to support medical necessity and the specific procedure code billed.
- Failure to follow industry-standard coding guidelines can result in denial or repayment.
Noncovered indications — general screening and intracellular panels
Requests for serum micronutrient testing as a general screen or for intracellular micronutrient panel testing (examples: SpectraCell, Cell Science Systems CMA, ExaTest) are explicitly stated as not meeting criteria and will be noncovered.
- Do not submit authorization requests or claims for these indications expecting coverage absent documented, covered indications.
Denial risk if billed with codes not listed in policy
Claims for micronutrient testing may be denied if billed with procedure codes not listed in this policy or if the tests performed fall outside the listed procedure codes.
- Confirm that the CPT/HCPCS code billed matches a code listed in the policy for the specific analyte/test performed.
Ordering and Authorization Requirements
Ordering requirements and clinician restrictions
No specific ordering clinician restrictions (e.g., PCP vs specialist) are specified in this section; however, services must meet authorization and medical necessity requirements for the procedure, diagnosis, and member's state of residence.
Definitions and Abbreviations
Clinical Background and Evidence Summary
Background: Micronutrients—including vitamins and trace elements—are essential dietary components required in small amounts and are involved in numerous enzymatic and regulatory processes. Serum concentrations can be affected by recent intake, tissue distribution, inflammation, and acute illness, and some serum markers change only with severe deficiency. Intracellular assays have been proposed to better reflect tissue stores or longer‑term status, but available evidence and guideline support are limited. Small observational studies and case reports have suggested possible utility for targeted testing in specific populations (for example, older adults, post‑gastric bypass patients, or certain liver disease cohorts), however these data do not establish broad clinical benefit or support routine screening; accordingly the policy does not cover general serum screening or proprietary intracellular panels.
Frequency Limits
Policy Revision History
Policy effective date set to 2026-10-01 with listed applicable CPT/HCPCS procedure codes (e.g., 82128–84630).
Policy last reviewed on 2026-06-16 as noted in the document header.
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