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ICD-10-CM 2026 · Effective October 1, 2025

ICD-10 Z79.620

Billable / Specific

Long term (current) use of immunosuppressive biologic

Z79
Block
4
Synonyms
7
LCDs
2
Payer Policies
0
Linked CPTs

About ICD-10-CM Z79.620

ICD-10-CM code Z79.620 represents Long term (current) use of immunosuppressive biologic. This is a billable/specific code in the Factors Influencing Health Status chapter (block Z79). The 2026 edition of ICD-10-CM Z79.620 became effective on October 1, 2025.

Inclusion Terms / Approximate Synonyms

Clinical terms and conditions classified under Z79.620. Per CMS ICD-10-CM Tabular 2026.

  • Long term (current) use of adalimumab
  • Long term (current) use of etanercept
  • Long term (current) use of infliximab
  • Long term (current) use of monoclonal antibodies

Medicare LCD Coverage for Z79.620

Local Coverage Determinations (LCDs) from CMS MACs that list Z79.620 as a covered diagnosis.

7 LCDs

Showing top 7. Click a CPT for full coverage scope.

CMS LCD: Billing and Coding: Lumbar MRI
Article ID: 57206, Effective: 2025-10-23 00:00:00, 3361 covered, 0 non-covered
CPT Q9953 →
CMS LCD: Billing and Coding: Lumbar MRI
Article ID: 57206, Effective: 2025-10-23 00:00:00, 3361 covered, 0 non-covered
CPT 72148 →
CMS LCD: Billing and Coding: Lumbar MRI
Article ID: 57206, Effective: 2025-10-23 00:00:00, 3361 covered, 0 non-covered
CPT A9585 →
CMS LCD: Billing and Coding: Lumbar MRI
Article ID: 57206, Effective: 2025-10-23 00:00:00, 3361 covered, 0 non-covered
CPT 72158 →
CMS LCD: Billing and Coding: Lumbar MRI
Article ID: 57206, Effective: 2025-10-23 00:00:00, 3361 covered, 0 non-covered
CPT 72149 →
CMS LCD: Billing and Coding: Vitamin D Assay Testing
Article ID: 57718, Effective: 2025-08-14 00:00:00, 367 covered, 0 non-covered
CPT 82652 →
CMS LCD: Billing and Coding: Vitamin D Assay Testing
Article ID: 57718, Effective: 2025-08-14 00:00:00, 367 covered, 0 non-covered
CPT 82306 →

Commercial Payer Coverage

Coverage policies from major commercial payers referencing Z79.620.

2 policies

2 Medicare

Billing and Coding: Lumbar MRI
Policy ID: ART-57206
Billing and Coding: Vitamin D Assay Testing
Policy ID: ART-57718

CPT Codes Commonly Billed with Z79.620

Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.

No procedure linkages on file for Z79.620

We don't have CPT pairings indexed for this specific code yet. Use the CPT search above to find common procedures, or check your payer's published medical policy for code-specific guidance.

Codes Adjacent To Z79.620

Other codes in section Z77-Z99 (Persons with potential health hazards related to family and personal history and certain conditions influencing health status).

Z77 Other contact with and (suspected) exposures hazardous to health (non-billable) Z77.0 Contact with and (suspected) exposure to hazardous, chiefly nonmedicinal, chemicals (non-billable) Z77.01 Contact with and (suspected) exposure to hazardous metals (non-billable) Z77.010 Contact with and (suspected) exposure to arsenic Z77.011 Contact with and (suspected) exposure to lead Z77.012 Contact with and (suspected) exposure to uranium Z77.018 Contact with and (suspected) exposure to other hazardous metals Z77.02 Contact with and (suspected) exposure to hazardous aromatic compounds (non-billable) Z77.020 Contact with and (suspected) exposure to aromatic amines Z77.021 Contact with and (suspected) exposure to benzene Z77.028 Contact with and (suspected) exposure to other hazardous aromatic compounds Z77.09 Contact with and (suspected) exposure to other hazardous, chiefly nonmedicinal, chemicals (non-billable) Z77.090 Contact with and (suspected) exposure to asbestos Z77.098 Contact with and (suspected) exposure to other hazardous, chiefly nonmedicinal, chemicals Z77.1 Contact with and (suspected) exposure to environmental pollution and hazards in the physical environment (non-billable) Z77.11 Contact with and (suspected) exposure to environmental pollution (non-billable) Z77.110 Contact with and (suspected) exposure to air pollution Z77.111 Contact with and (suspected) exposure to water pollution Z77.112 Contact with and (suspected) exposure to soil pollution Z77.118 Contact with and (suspected) exposure to other environmental pollution

ICD-10 Z79.620, Billing FAQ

Is ICD-10 code Z79.620 billable? +

Yes, Z79.620 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.

What other names or terms map to Z79.620? +

ICD-10 Z79.620 includes: Long term (current) use of adalimumab; Long term (current) use of etanercept; Long term (current) use of infliximab, and 1 more clinical synonyms.

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Reviewed by the PayerReady Medical Coding Team

Verified against the CMS 2026 code set on July 16, 2026.

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