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Code
Description

ICD-10-CM Code R50
Fever of other and unknown origin

NON-BILLABLE
Non-Billable Code
Non-Billable means the code is not sufficient justification for admission to an acute care hospital when used a principal diagnosis. Use a child code to capture more detail.
| ICD-10 from 2011 - 2016

ICD Code R50 is a non-billable code. To code a diagnosis of this type, you must use one of the three child codes of R50 that describes the diagnosis 'fever of other and unknown origin' in more detail.


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 Info for medical coders on how to properly use this ICD-10 code

Code Type-1 Excludes:
Type-1 Excludes
Type-1 Excludes mean the conditions excluded are mutually exclusive and should never be coded together. Excludes 1 means "do not code here."
Chills without fever - instead, use code R68.83
Febrile convulsions - instead, use code R56.0-
Fever of unknown origin during labor - instead, use code O75.2
Fever of unknown origin in newborn - instead, use code P81.9
Hypothermia due to illness - instead, use code R68.0
Malignant hyperthermia due to anesthesia - instead, use code T88.3
Puerperal pyrexia NOS - instead, use code O86.4

** This Document Provided By ICD.Codes **
Source: http://icd.codes/icd10cm/R50