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

ICD-10 Z77.9

Billable / Specific

Other contact with and (suspected) exposures hazardous to health

Z77
Block
0
Synonyms
18
LCDs
1
Payer Policies
0
Linked CPTs

About ICD-10-CM Z77.9

ICD-10-CM code Z77.9 represents Other contact with and (suspected) exposures hazardous to health. This is a billable/specific code in the Factors Influencing Health Status chapter (block Z77). The 2026 edition of ICD-10-CM Z77.9 became effective on October 1, 2025.

Medicare LCD Coverage for Z77.9

Local Coverage Determinations (LCDs) from CMS MACs that list Z77.9 as a covered diagnosis.

18 LCDs

Showing top 10 of 18 total . Click a CPT for full coverage scope.

CMS LCD: Billing and Coding: Breast Imaging Mammography/Breast Echography (Sonography)/Breast MRI/Ductography
Article ID: 56448, Effective: 2025-12-04 00:00:00, 156 covered, 0 non-covered
CPT 77063 →
CMS LCD: Billing and Coding: Breast Imaging Mammography/Breast Echography (Sonography)/Breast MRI/Ductography
Article ID: 56448, Effective: 2025-12-04 00:00:00, 156 covered, 0 non-covered
CPT C8905 →
CMS LCD: Billing and Coding: Breast Imaging Mammography/Breast Echography (Sonography)/Breast MRI/Ductography
Article ID: 56448, Effective: 2025-12-04 00:00:00, 156 covered, 0 non-covered
CPT 77065 →
CMS LCD: Billing and Coding: Breast Imaging Mammography/Breast Echography (Sonography)/Breast MRI/Ductography
Article ID: 56448, Effective: 2025-12-04 00:00:00, 156 covered, 0 non-covered
CPT 76641 →
CMS LCD: Billing and Coding: Breast Imaging Mammography/Breast Echography (Sonography)/Breast MRI/Ductography
Article ID: 56448, Effective: 2025-12-04 00:00:00, 156 covered, 0 non-covered
CPT 77054 →
CMS LCD: Billing and Coding: Breast Imaging Mammography/Breast Echography (Sonography)/Breast MRI/Ductography
Article ID: 56448, Effective: 2025-12-04 00:00:00, 156 covered, 0 non-covered
CPT 77047 →
CMS LCD: Billing and Coding: Breast Imaging Mammography/Breast Echography (Sonography)/Breast MRI/Ductography
Article ID: 56448, Effective: 2025-12-04 00:00:00, 156 covered, 0 non-covered
CPT 77049 →
CMS LCD: Billing and Coding: Breast Imaging Mammography/Breast Echography (Sonography)/Breast MRI/Ductography
Article ID: 56448, Effective: 2025-12-04 00:00:00, 156 covered, 0 non-covered
CPT C8903 →
CMS LCD: Billing and Coding: Breast Imaging Mammography/Breast Echography (Sonography)/Breast MRI/Ductography
Article ID: 56448, Effective: 2025-12-04 00:00:00, 156 covered, 0 non-covered
CPT C8906 →
CMS LCD: Billing and Coding: Breast Imaging Mammography/Breast Echography (Sonography)/Breast MRI/Ductography
Article ID: 56448, Effective: 2025-12-04 00:00:00, 156 covered, 0 non-covered
CPT 77066 →

Commercial Payer Coverage

Coverage policies from major commercial payers referencing Z77.9.

1 policies

1 Medicare

Billing and Coding: Breast Imaging Mammography/Breast Echography (Sonography)/Breast MRI/Ductography
Policy ID: ART-56448

CPT Codes Commonly Billed with Z77.9

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

No procedure linkages on file for Z77.9

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 Z77.9 to ICD-9-CM

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

ICD-10ICD-9Mapping Flags
Z77.9 V1589 10000

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

Codes Adjacent To Z77.9

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 Z77.9, Billing FAQ

Is ICD-10 code Z77.9 billable? +

Yes, Z77.9 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.

What ICD-9 codes does Z77.9 map to? +

Per CMS GEMs, Z77.9 maps to ICD-9 codes: V1589. 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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