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ICD-10-CM Code for Fever, unspecified R50.9

ICD-10 code R50.9 for Fever, unspecified is a medical classification as listed by WHO under the range - Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified .

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Official Long Descriptor

Fever, unspecified
Fever NOS
Fever of unknown origin [FUO]
Fever with chills
Fever with rigors
Hyperpyrexia NOS
Persistent fever
Pyrexia NOS

R50

Excludes1: chills without fever (R68.83)
febrile convulsions (R56.0-)
fever of unknown origin during labor (O75.2)
fever of unknown origin in newborn (P81.9)
hypothermia due to illness (R68.0)
malignant hyperthermia due to anesthesia (T88.3)
puerperal pyrexia NOS (O86.4)

Additional/Related Information

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Get crucial instructions for accurate ICD-10-CM R50.9 coding with all applicable Excludes 1 and Excludes 2 notes from the section level conveniently shown with each code.
This section shows you chapter-specific coding guidelines to increase your understanding and correct usage of the target ICD-10-CM Volume 1 code.

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Have a question about ICD-10-CM Code R50.9 ? Start a discussion here
Missing/incomplete/invalid other diagnosis denial?
[QUOTE="mtsoldevila, post: 509332, member: 643514"] I work for an Infectious disease doctor and this patient was seen IP. Coded in this same order: R50.81,Z34.82,G43.901. It was denied for missing/inc... [ Read More ]
Missing/incomplete/invalid other diagnosis denial?
[QUOTE="mtsoldevila, post: 509332, member: 643514"] I work for an Infectious disease doctor and this patient was seen IP. Coded in this same order: R50.81,Z34.82,G43.901. It was denied for missing/inc... [ Read More ]
Missing/incomplete/invalid other diagnosis denial?
Is this a pregnant patient? If so, I would suggest that you review the ICD-10 guidelines for Chapter 15. If that fever (R50.81) is related to the pregnancy, you'd likely need to report it with an O... [ Read More ]
Missing/incomplete/invalid other diagnosis denial?
I work for an Infectious disease doctor and this patient was seen IP. Coded in this same order: R50.81,Z34.82,G43.901. It was denied for missing/incomplete/invalid other diagnosis. All I can think is ... [ Read More ]
Strep/Icd 10 icd10 question strepthroat
Hi all, I am hoping someone can help me out. I have been assigned to pediatric coding which is not my usual specialty. I am seeing numerous patients come in for sore throat and fever. My provider is ... [ Read More ]
Strep /ICD 10 icd10 question strepthroat
Hi all, I am hoping someone can help me out. I have been assigned to pediatric coding which is not my usual specialty. I am seeing numerous patients come in for sore throat and fever. My provider is ... [ Read More ]
Strep symptoms icd10 question strepthroat
Hi all, I am hoping someone can help me out. I have been assigned to pediatric coding which is not my usual specialty. I am seeing numerous patients come in for sore throat and fever. My provider is ... [ Read More ]
Strep throat/symptoms icd10 question strepthroat
Hi all, I am hoping someone can help me out. I have been assigned to pediatric coding which is not my usual specialty. I am seeing numerous patients come in for sore throat and fever. My provider is ... [ Read More ]
DX code denial as principal dx- Infectious Disease
I work for an infectious disease office. I billed K82.A2, D72.829,R50.9 on this same order and it was denied for invalid principal dx. I then billed K82.1 as primary and then K82.A2, D72.829,R50.9 ,a... [ Read More ]
Choosing a diagnosis
There is a provider that routinely puts in documentation "likely" when stating a diagnosis. An example would be: Diagnosis' listed are fever, R50.9 and viral syndrome, B34.9. Documentation next to ... [ Read More ]
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