Disease staging: CliniCal anD CoDeD Criteria - HCUP

Clinical Criteria with Description, Diagnostic Findings and ICD-9-CM codes
DXCat Number: INF24
MultiStage: No
DXCat Label: Rickettsioses Specificity: A
Etiology: Infection
Stage Description Diagnostic findings ICD-9-CM Codes
1.01 Uncomplicated rickettsial infection Rocky Mountain spotted fever (serology report)
DX 080-0839;
OR Q fever (serology report)
DX 080-0839 + GROUP FEVER;
OR endemic typhus (serology report)
OR epidemic typhus (serology report)
OR Brill-Zinsser disease or prior epidemic typhus infection and recurrence
OR Rickettisial pox (by serology report)
OR typhus fevers* (serology report)
OR scrub typhus (serology report)
*includes: fever boutonneuse, Indian tick typhus, Kenya tick typhus, South Africal tick typhus
Presumptive diagnostic findings by:
history of tick, louse or mite bite
AND hemorrhagic maculopapular rash
AND regional lymphadenitis
AND malaise, headache and fever
2.01 Q fever with pneumonia or hepatitis Q fever [serology report]
AND pneumonia:
OR hepatitis:
2.02 Disseminated intravascular coagulation or
gangrene
3.01 Rocky Mountain spotted fever with renal
failure
Stage 1.01
AND DIC:
OR gangrene [operative/pathology report]
Rocky Mountain spotted fever[serology report]
AND renal failure:
3.02 Q fever with disorientation Stage 2.01
AND disorientation:
3.03 Q fever with endocarditis Stage 2.01
AND endocarditis:
3.04 with shock Stage 1.01-3.03
AND shock:
4.00 with death Stage 2.01-3.04
AND death
DX 0830 + (DXCAT HEP04 OR
DXCAT HEP05 OR DXCAT HEP06
OR DXCAT HEP07 OR DXCAT
HEP08 OR DXCAT HEP09 OR
DXCAT RES15 OR DXCAT RES16
OR DXCAT RES17 OR DXCAT
RES19);
STAGE 1.01-2.01 + (DX 7854 OR
GROUP DIC);
DX 0820 + (GROUP REN_FAIL_ACU
OR GROUP REN_FAIL_CHR);
DX 0830 + GROUP DISORIENT;
DX 0830 + GROUP ENDOCARDITIS;
STAGE 1.01-3.03 + (GROUP
SHOCKC OR GROUP SHOCKN) ;
NO;
Thursday, January 07, 2010 9:22:26 AM
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