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

ICD-10 R50.81

Billable / Specific

Fever presenting with conditions classified elsewhere

R50
Block
0
Synonyms
743
LCDs
17
Payer Policies
0
Linked CPTs

About ICD-10-CM R50.81

ICD-10-CM code R50.81 represents Fever presenting with conditions classified elsewhere. This is a billable/specific code in the Symptoms, Signs, and Abnormal Findings chapter (block R50). The 2026 edition of ICD-10-CM R50.81 became effective on October 1, 2025.

Coding Notes

Code First

  • underlying condition when associated fever is present, such as with:
  • leukemia (C91-C95)
  • neutropenia (D70.-)
  • sickle-cell disease (D57.-)

Medicare LCD Coverage for R50.81

Local Coverage Determinations (LCDs) from CMS MACs that list R50.81 as a covered diagnosis.

743 LCDs

Showing top 10 of 743 total . Click a CPT for full coverage scope.

CMS LCD: Billing and Coding: CT of the Abdomen and Pelvis
Article ID: 56421, Effective: 2025-11-01 00:00:00, 5389 covered, 0 non-covered
CPT 74170 →
CMS LCD: Billing and Coding: CT of the Abdomen and Pelvis
Article ID: 56421, Effective: 2025-11-01 00:00:00, 5389 covered, 0 non-covered
CPT 74177 →
CMS LCD: Billing and Coding: CT of the Abdomen and Pelvis
Article ID: 56421, Effective: 2025-11-01 00:00:00, 5389 covered, 0 non-covered
CPT 74160 →
CMS LCD: Billing and Coding: CT of the Abdomen and Pelvis
Article ID: 56421, Effective: 2025-11-01 00:00:00, 5389 covered, 0 non-covered
CPT 74178 →
CMS LCD: Billing and Coding: CT of the Abdomen and Pelvis
Article ID: 56421, Effective: 2025-11-01 00:00:00, 5389 covered, 0 non-covered
CPT 74150 →
CMS LCD: Billing and Coding: CT of the Abdomen and Pelvis
Article ID: 56421, Effective: 2025-11-01 00:00:00, 5389 covered, 0 non-covered
CPT 72194 →
CMS LCD: Billing and Coding: CT of the Abdomen and Pelvis
Article ID: 56421, Effective: 2025-11-01 00:00:00, 5389 covered, 0 non-covered
CPT 74176 →
CMS LCD: Billing and Coding: CT of the Abdomen and Pelvis
Article ID: 56421, Effective: 2025-11-01 00:00:00, 5389 covered, 0 non-covered
CPT 72192 →
CMS LCD: Billing and Coding: CT of the Abdomen and Pelvis
Article ID: 56421, Effective: 2025-11-01 00:00:00, 5389 covered, 0 non-covered
CPT 72193 →
CMS LCD: Billing and Coding: Cardiac Radionuclide Imaging
Article ID: 56476, Effective: 2025-10-01 00:00:00, 627 covered, 0 non-covered
CPT A4641 →

Commercial Payer Coverage

Coverage policies from major commercial payers referencing R50.81.

17 policies

2 Cigna

Nucleic Acid Pathogen Testing - (0530)
Policy ID: MM_0530
Transthoracic Echocardiography in Children - (0523)
Policy ID: MM_0523

5 Medicare

Billing and Coding: CT of the Abdomen and Pelvis
Policy ID: ART-56421
Billing and Coding: Cardiac Radionuclide Imaging
Policy ID: ART-56476
Billing and Coding: Transesophageal Echocardiography (TEE)
Policy ID: ART-56505
Billing and Coding: Echocardiography
Policy ID: ART-56625
Billing and Coding: Transthoracic Echocardiography (TTE)
Policy ID: ART-56781

1 Aetna

Capsule Endoscopy
Policy ID: CPB-0588

CPT Codes Commonly Billed with R50.81

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

No procedure linkages on file for R50.81

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 R50.81 to ICD-9-CM

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

ICD-10ICD-9Mapping Flags
R50.81 78061 00000

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

ICD-10 R50.81, Billing FAQ

Is ICD-10 code R50.81 billable? +

Yes, R50.81 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.

What ICD-9 codes does R50.81 map to? +

Per CMS GEMs, R50.81 maps to ICD-9 codes: 78061. 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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