Disease staging: CliniCal anD CoDeD Criteria - HCUP

Clinical Criteria with Description, Diagnostic Findings and ICD-9-CM codes
DXCat Number: EYE21
MultiStage: No
DXCat Label: Keratitis, Bacterial Specificity: A
Etiology: Infection, Bacterial
Stage Description Diagnostic findings ICD-9-CM Codes
1.01 Bacterial keratitis Bacterial keratitis [corneal culture reports growth of pathologic organism(s) or Gram stain shows
organism(s)]
(DX 37020, 3709) + NOT (DX
E9260-E9261, E9263-E9269);
OR conjunctival injection [ slit lamp report]
AND epithelial infiltrate
OR corneal ulcer
2.01 Bacterial keratitis with intraocular
inflammation
Stage 1.01
AND visual acuity ≤ 20/70
OR corneal stroma involvement
OR corneal thinning [slit lamp report]
OR hypopyon
DX 37050-37059 + NOT (DX E9260-
E9261, E9263-E9269);
STAGE 1.01 + (DX 36920, 36923,
36925, 3693-3694, 36970, 36974-
3699, 37004-37005) ;
2.02 Bacterial keratitis with vision loss Stage 1.01-2.01
AND visual acuity ≤ 20/400
OR corneal perforation [slit lamp report]
OR scleritis [slit lamp report]
OR corneal scar [slit lamp report]
2.03 Bacterial keratitis with endophthalmitis Stage 1.01-2.02
AND visual acuity ≤ 5/200
OR corneal opacification
OR vitreitis [slit lamp or echography report]
OR hypopyon
2.04 Phthisis bulbi or degenerate globe Stage 1.01-2.03
AND no light perception
AND shrunken globe
STAGE 1.01-2.01 + (DX 36911,
36921, 36924, 36971-36973,
37000-37003, 37006, 37900-
37904, 37906-37909);
STAGE 1.01-2.02 + (DX 36000-
36001, 36019, 36900-36908,
36912-36918, 3694, 36960-36969);
STAGE 1.01-2.03 + (DX 36040-
36041);
References:
Krohel GB, Krauss HR, Winnick J. Orbital abcess, presentation, diagnosis, therapy, and equalae. Ophthalmology. 1982;(89)492-498.
Watters EC, Wallar PH, Hiles DA, Michaels RH. Acute orbital cellulitis. Arch Ophthalmoly. 1976;(94)785-788.
Thursday, January 07, 2010 9:21:37 AM
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