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

ICD-10 Z51.6

Billable / Specific

Encounter for desensitization to allergens

Z51
Block
0
Synonyms
12
LCDs
3
Payer Policies
0
Linked CPTs

About ICD-10-CM Z51.6

ICD-10-CM code Z51.6 represents Encounter for desensitization to allergens. This is a billable/specific code in the Factors Influencing Health Status chapter (block Z51). The 2026 edition of ICD-10-CM Z51.6 became effective on October 1, 2025.

Medicare LCD Coverage for Z51.6

Local Coverage Determinations (LCDs) from CMS MACs that list Z51.6 as a covered diagnosis.

12 LCDs

Showing top 10 of 12 total . Click a CPT for full coverage scope.

CMS LCD: Billing and Coding: Allergy Skin Testing
Article ID: 56559, Effective: 2025-10-01 00:00:00, 420 covered, 0 non-covered
CPT 95018 →
CMS LCD: Billing and Coding: Allergy Skin Testing
Article ID: 56559, Effective: 2025-10-01 00:00:00, 420 covered, 0 non-covered
CPT 95024 →
CMS LCD: Billing and Coding: Allergy Skin Testing
Article ID: 56559, Effective: 2025-10-01 00:00:00, 420 covered, 0 non-covered
CPT 95004 →
CMS LCD: Billing and Coding: Allergy Skin Testing
Article ID: 56559, Effective: 2025-10-01 00:00:00, 420 covered, 0 non-covered
CPT 95017 →
CMS LCD: Billing and Coding: Off-label Use of Rituximab and Rituximab Biosimilars
Article ID: 59101, Effective: 2025-10-01 00:00:00, 836 covered, 0 non-covered
CPT Q5119 →
CMS LCD: Billing and Coding: Off-label Use of Rituximab and Rituximab Biosimilars
Article ID: 59101, Effective: 2025-10-01 00:00:00, 836 covered, 0 non-covered
CPT J9312 →
CMS LCD: Billing and Coding: Off-label Use of Rituximab and Rituximab Biosimilars
Article ID: 59101, Effective: 2025-10-01 00:00:00, 836 covered, 0 non-covered
CPT Q5123 →
CMS LCD: Billing and Coding: Off-label Use of Rituximab and Rituximab Biosimilars
Article ID: 59101, Effective: 2025-10-01 00:00:00, 836 covered, 0 non-covered
CPT Q5115 →
CMS LCD: Billing and Coding: Off-label Use of Rituximab and Rituximab Biosimilars
Article ID: 60186, Effective: , 830 covered, 0 non-covered
CPT Q5119 →
CMS LCD: Billing and Coding: Off-label Use of Rituximab and Rituximab Biosimilars
Article ID: 60186, Effective: , 830 covered, 0 non-covered
CPT J9312 →

Commercial Payer Coverage

Coverage policies from major commercial payers referencing Z51.6.

3 policies

3 Medicare

Billing and Coding: Allergy Skin Testing
Policy ID: ART-56559
Billing and Coding: Off-label Use of Rituximab and Rituximab Biosimilars
Policy ID: ART-59101
Billing and Coding: Off-label Use of Rituximab and Rituximab Biosimilars
Policy ID: ART-60186

CPT Codes Commonly Billed with Z51.6

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

No procedure linkages on file for Z51.6

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.

Convert Z51.6 to ICD-9-CM

Per CMS General Equivalence Mappings (GEMs), useful for legacy data review and historical claim analysis.

ICD-10ICD-9Mapping Flags
Z51.6 V071 00000

Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).

Codes Adjacent To Z51.6

Other codes in section Z40-Z53 (Encounters for other specific health care).

ICD-10 Z51.6, Billing FAQ

Is ICD-10 code Z51.6 billable? +

Yes, Z51.6 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.

What ICD-9 codes does Z51.6 map to? +

Per CMS GEMs, Z51.6 maps to ICD-9 codes: V071. Useful for legacy data review and historical claim analysis.

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Reviewed by the PayerReady Medical Coding Team

Verified against the CMS 2026 code set on May 31, 2026.

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