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

ICD-10 R27.9

Billable / Specific

Unspecified lack of coordination

R27
Block
0
Synonyms
330
LCDs
14
Payer Policies
2
Linked CPTs

About ICD-10-CM R27.9

ICD-10-CM code R27.9 represents Unspecified lack of coordination. This is a billable/specific code in the Symptoms, Signs, and Abnormal Findings chapter (block R27). The 2026 edition of ICD-10-CM R27.9 became effective on October 1, 2025.

Medicare LCD Coverage for R27.9

Local Coverage Determinations (LCDs) from CMS MACs that list R27.9 as a covered diagnosis.

330 LCDs

Showing top 10 of 330 total . Click a CPT for full coverage scope.

CMS LCD: Billing and Coding: Nerve Conduction Studies and Electromyography
Article ID: 57668, Effective: 2025-10-01 00:00:00, 1629 covered, 0 non-covered
CPT 95909 →
CMS LCD: Billing and Coding: Nerve Conduction Studies and Electromyography
Article ID: 57668, Effective: 2025-10-01 00:00:00, 1629 covered, 0 non-covered
CPT 95887 →
CMS LCD: Billing and Coding: Nerve Conduction Studies and Electromyography
Article ID: 57668, Effective: 2025-10-01 00:00:00, 1629 covered, 0 non-covered
CPT 95912 →
CMS LCD: Billing and Coding: Nerve Conduction Studies and Electromyography
Article ID: 57668, Effective: 2025-10-01 00:00:00, 1629 covered, 0 non-covered
CPT 95999 →
CMS LCD: Billing and Coding: Nerve Conduction Studies and Electromyography
Article ID: 57668, Effective: 2025-10-01 00:00:00, 1629 covered, 0 non-covered
CPT 95910 →
CMS LCD: Billing and Coding: Nerve Conduction Studies and Electromyography
Article ID: 57668, Effective: 2025-10-01 00:00:00, 1629 covered, 0 non-covered
CPT 95870 →
CMS LCD: Billing and Coding: Nerve Conduction Studies and Electromyography
Article ID: 57668, Effective: 2025-10-01 00:00:00, 1629 covered, 0 non-covered
CPT 95860 →
CMS LCD: Billing and Coding: Nerve Conduction Studies and Electromyography
Article ID: 57668, Effective: 2025-10-01 00:00:00, 1629 covered, 0 non-covered
CPT 95913 →
CMS LCD: Billing and Coding: Nerve Conduction Studies and Electromyography
Article ID: 57668, Effective: 2025-10-01 00:00:00, 1629 covered, 0 non-covered
CPT 95869 →
CMS LCD: Billing and Coding: Nerve Conduction Studies and Electromyography
Article ID: 57668, Effective: 2025-10-01 00:00:00, 1629 covered, 0 non-covered
CPT G0255 →

Commercial Payer Coverage

Coverage policies from major commercial payers referencing R27.9.

14 policies

2 Cigna

Duplex Scan of Extracranial Arteries - (0542)
Policy ID: MM_0542
Electrodiagnostic Testing (EMG/NCV) - (CPG129)
Policy ID: CPG129_EMG_NCV_SSEP

5 Medicare

Billing and Coding: Home Health Occupational Therapy
Policy ID: ART-53057
Billing and Coding: Outpatient Physical Therapy
Policy ID: ART-53065
Billing and Coding: Nerve Conduction Studies and Electromyography
Policy ID: ART-54969
Billing and Coding: Assays for Vitamins and Metabolic Function
Policy ID: ART-56416
Billing and Coding: CT of the Head
Policy ID: ART-56612

CPT Codes Commonly Billed with R27.9

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

2 linkages
  • 70473 CMS LCD: Billing and Coding: Computed Tomography Cerebral Perfusion Analysis (CTP) CMS LCD
  • 70472 CMS LCD: Billing and Coding: Computed Tomography Cerebral Perfusion Analysis (CTP) CMS LCD

Convert R27.9 to ICD-9-CM

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

ICD-10ICD-9Mapping Flags
R27.9 7813 10000

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

ICD-10 R27.9, Billing FAQ

Is ICD-10 code R27.9 billable? +

Yes, R27.9 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 R27.9? +

Procedures frequently paired with R27.9 include: 70473, 70472.

What ICD-9 codes does R27.9 map to? +

Per CMS GEMs, R27.9 maps to ICD-9 codes: 7813. 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 July 17, 2026.

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