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Table 5 Most common ICD-9 diagnosis codes observed in Intent-Toxicity admissions

From: Algorithm for analysis of administrative pediatric cancer hospitalization data according to indication for admission

Intent-Toxicity
CCS category of primary diagnosis of toxicity&^ CCS category of primary diagnosis of malignancy or chemotherapy CCS category of secondary diagnosis of non-infection toxicity#
ICD-9 diagnosis code Nā€‰=ā€‰33,302 n (%) Description ICD-9 diagnosis code Nā€‰=ā€‰10,106 n (%) Description
288.0 8,109 (24.4%) Neutropenia 284.8 806 (8.0%) Other specified aplastic anemias
288.00 5,351 (16.1%) Neutropenia NOS 331.4 734 (7.3%) Obstructive hydrocephalus
284.8 1,920 (5.8%) Other specified aplastic anemias 288.0 706 (7.0%) Neutropenia
288.03 1,349 (4.1%) Drug induced neutropenia 780.39 507 (5.0%) Other convulsions
276.51 1,195 (3.6%) Dehydration 287.5 437 (4.3%) Thrombocytopenia, unspecified
276.5 658 (2.0%) Volume depletion 284.1 330 (3.3%) Pancytopenia
780.39 616 (1.9%) Other convulsions 288.00 232 (2.3%) Neutropenia NOS
996.85 433 (1.2%) Complications of transplanted bone marrow 276.1 200 (2.0%) Hyposmolality and/or hyponatremia
787.01 393 (1.2%) Nausea with vomiting 285.9 195 (1.9%) Anemia, unspecified
284.1 371 (1.1%) Pancytopenia 518.81 192 (1.9%) Acute respiratory failure
577.0 369 (1.1%) Acute pancreatitis 996.85 188 (1.9%) Complications of transplanted bone marrow
  1. &Includes non-infectious ICD-9 codes from CCS diagnostic group 237.
  2. ^Includes 760 individual ICD-9 diagnostic codes.
  3. #Includes 547 individual ICD-9 diagnostic codes.