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Code
Description

ICD-10-CM Code R50.81
Fever presenting with conditions classified elsewhere

BILLABLE
Billable Code
Billable codes are sufficient justification for admission to an acute care hospital when used a principal diagnosis.
Manifestation
Manifestation Code
Certain ICD-10-CM codes identify an underlying condition known as an etiology code. Conditions that arise as a result of an underlying condition (etiology), are referred to as Manifestations. In ICD-10-CM, etiology codes must be coded first, followed by the manifestation codes. When a condition requires etiology and manifestation codes, there is a "use additional code" note following the etiology code and a "code first" note following the manifestation code.
| ICD-10 from 2011 - 2016

R50.81 is a billable ICD code used to specify a diagnosis of fever presenting with conditions classified elsewhere. A 'billable code' is detailed enough to be used to specify a medical diagnosis.


The ICD code R50 is used to code Fever

Fever, also known as pyrexia and febrile response, is defined as having a temperature above the normal range due to an increase in the body's temperature set-point. There is not a single agreed-upon upper limit for normal temperature with sources using values between 37.5 and 38.3 °C (99.5 and 100.9 °F). The increase in set-point triggers increased muscle contraction and causes a feeling of cold. This results in greater heat production and efforts to conserve heat. When the set-point temperature returns to normal a person feels hot, becomes flushed, and may begin to sweat. Rarely a fever may trigger a febrile seizure. This is more common in young children. Fevers do not typically go higher than 41 to 42 °C (105.8 to 107.6 °F).

Specialty: Infectious Disease, Pediatrics
MeSH Code: D005334
ICD 9 Code: 780.6

An analog medical thermometer showing a temperature of 7002311950000000000♠38.8 °C or 7002311927777777777♠101.8 °F

Coding Notes for R50.81 Info for medical coders on how to properly use this ICD-10 code

codeFirst:
Underlying condition when associated fever is present, such as with:
Leukemia See Section C91-C95
Neutropenia See code D70.-
Sickle-cell disease See code D57.-

MS-DRG Mapping

  • DRG Group #864 - Fever.

Related Concepts SNOMET-CT

  • Copper fever (disorder)
  • Malarial fever (finding)

Coding Advice SNOMET-CT

  • Consider additional code to identify specific condition or disease

ICD-10-CM Alphabetical Index References for 'R50.81 - Fever presenting with conditions classified elsewhere'

The ICD-10-CM Alphabetical Index links the below-listed medical terms to the ICD code R50.81. Click on any term below to browse the alphabetical index.

Equivalent ICD-9 Code GENERAL EQUIVALENCE MAPPINGS (GEM)

Fever presenting with conditions classified elsewhere (exact match)

This is the official exact match mapping between ICD9 and ICD10, as provided by the General Equivalency mapping crosswalk. This means that in all cases where the ICD9 code 780.61 was previously used, R50.81 is the appropriate modern ICD10 code.


Parent Code: R50.8 - Other specified fever

** This Document Provided By ICD.Codes **
Source: http://icd.codes/icd10cm/R5081