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

ICD-10 M19.042

Billable / Specific

Primary osteoarthritis, left hand

M19
Block
0
Synonyms
360
LCDs
6
Payer Policies
1
Linked CPTs

About ICD-10-CM M19.042

ICD-10-CM code M19.042 represents Primary osteoarthritis, left hand. This is a billable/specific code in the Musculoskeletal and Connective Tissue chapter (block M19). The 2026 edition of ICD-10-CM M19.042 became effective on October 1, 2025.

Medicare LCD Coverage for M19.042

Local Coverage Determinations (LCDs) from CMS MACs that list M19.042 as a covered diagnosis.

360 LCDs

Showing top 10 of 360 total . Click a CPT for full coverage scope.

CMS LCD: Billing and Coding: Outpatient Physical Therapy
Article ID: 53065, Effective: 2026-01-01 00:00:00, 22208 covered, 0 non-covered
CPT 29131 →
CMS LCD: Billing and Coding: Outpatient Physical Therapy
Article ID: 53065, Effective: 2026-01-01 00:00:00, 22208 covered, 0 non-covered
CPT 29260 →
CMS LCD: Billing and Coding: Outpatient Physical Therapy
Article ID: 53065, Effective: 2026-01-01 00:00:00, 22208 covered, 0 non-covered
CPT 29580 →
CMS LCD: Billing and Coding: Outpatient Physical Therapy
Article ID: 53065, Effective: 2026-01-01 00:00:00, 22208 covered, 0 non-covered
CPT 97036 →
CMS LCD: Billing and Coding: Outpatient Physical Therapy
Article ID: 53065, Effective: 2026-01-01 00:00:00, 22208 covered, 0 non-covered
CPT 29445 →
CMS LCD: Billing and Coding: Outpatient Physical Therapy
Article ID: 53065, Effective: 2026-01-01 00:00:00, 22208 covered, 0 non-covered
CPT 97542 →
CMS LCD: Billing and Coding: Outpatient Physical Therapy
Article ID: 53065, Effective: 2026-01-01 00:00:00, 22208 covered, 0 non-covered
CPT 97110 →
CMS LCD: Billing and Coding: Outpatient Physical Therapy
Article ID: 53065, Effective: 2026-01-01 00:00:00, 22208 covered, 0 non-covered
CPT 97533 →
CMS LCD: Billing and Coding: Outpatient Physical Therapy
Article ID: 53065, Effective: 2026-01-01 00:00:00, 22208 covered, 0 non-covered
CPT 29130 →
CMS LCD: Billing and Coding: Outpatient Physical Therapy
Article ID: 53065, Effective: 2026-01-01 00:00:00, 22208 covered, 0 non-covered
CPT 29405 →

Commercial Payer Coverage

Coverage policies from major commercial payers referencing M19.042.

6 policies

5 Medicare

Billing and Coding: Home Health Occupational Therapy
Policy ID: ART-53057
Billing and Coding: Home Health Physical Therapy
Policy ID: ART-53058
Billing and Coding: Outpatient Occupational Therapy
Policy ID: ART-53064
Billing and Coding: Outpatient Physical Therapy
Policy ID: ART-53065
Billing and Coding: Nerve Conduction Studies and Electromyography
Policy ID: ART-56619

CPT Codes Commonly Billed with M19.042

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

1 linkages
  • 20605 Joint injection intermediate — hand/wrist OA, synovitis, ganglion cyst, wrist pain, lateral/medial epicondylitis Orthopedics

Convert M19.042 to ICD-9-CM

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

ICD-10ICD-9Mapping Flags
M19.042 71514 10000

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

Codes Adjacent To M19.042

Other codes in section M15-M19 (Osteoarthritis).

M15 Polyosteoarthritis (non-billable) M15.0 Primary generalized (osteo)arthritis M15.1 Heberden's nodes (with arthropathy) M15.2 Bouchard's nodes (with arthropathy) M15.3 Secondary multiple arthritis M15.4 Erosive (osteo)arthritis M15.8 Other polyosteoarthritis M15.9 Polyosteoarthritis, unspecified M16 Osteoarthritis of hip (non-billable) M16.0 Bilateral primary osteoarthritis of hip M16.1 Unilateral primary osteoarthritis of hip (non-billable) M16.10 Unilateral primary osteoarthritis, unspecified hip M16.11 Unilateral primary osteoarthritis, right hip M16.12 Unilateral primary osteoarthritis, left hip M16.2 Bilateral osteoarthritis resulting from hip dysplasia M16.3 Unilateral osteoarthritis resulting from hip dysplasia (non-billable) M16.30 Unilateral osteoarthritis resulting from hip dysplasia, unspecified hip M16.31 Unilateral osteoarthritis resulting from hip dysplasia, right hip M16.32 Unilateral osteoarthritis resulting from hip dysplasia, left hip M16.4 Bilateral post-traumatic osteoarthritis of hip

ICD-10 M19.042, Billing FAQ

Is ICD-10 code M19.042 billable? +

Yes, M19.042 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.

What CPT codes are commonly billed with M19.042? +

Procedures frequently paired with M19.042 include: 20605.

What ICD-9 codes does M19.042 map to? +

Per CMS GEMs, M19.042 maps to ICD-9 codes: 71514. 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 June 1, 2026.

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