R50 |
 |
Fever of other and unknown origin  |
| |
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)
|
|
| |
R50.2 |
 |
Drug induced fever |
| |
UseAdditionalCode |
code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
|
Excludes1 |
postvaccination (postimmunization) fever (R50.83)
|
|
|
| |
R50.8 |
|
Other specified fever |
| |
R50.81 |
 |
Fever presenting with conditions classified elsewhere |
| |
CodeFirst |
underlying condition when associated fever is present, such as with: leukemia (C91-C95) neutropenia (D70.-) sickle-cell disease (D57.-)
|
nonPrimary |
Yes
|
|
| | |
R50.82 |
 |
Postprocedural fever |
| |
Excludes1 |
postprocedural infection (T81.4-) posttransfusion fever (R50.84) postvaccination (postimmunization) fever (R50.83)
|
|
| | |
R50.83 |
 |
Postvaccination fever |
| |
|
| | |
R50.84 |
 |
Febrile nonhemolytic transfusion reaction |
| |
FNHTR | Posttransfusion fever |
|
| |
| |
R50.9 |
 |
Fever, unspecified |
| |
Fever NOS | Fever of unknown origin [FUO] | Fever with chills | Fever with rigors | Hyperpyrexia NOS | Persistent fever | Pyrexia NOS |
|
|