Technical Note: In-hospital Hip Fracture

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Technical Note

In-hospital Hip Fracture

Denominator

Inclusion Criteria:

  1. Admission to an acute care institution
  2. Discharge between April 1 and March 31 of the following year
  3. Age at admission 65 years and older
  4. Gender recorded as male or female
  5. Canadian resident

Numerator

Inclusion Criteria:

The numerator is a subset of the denominator meeting the following conditions:

In-hospital hip fracture is reported by any one of the following codes in any diagnosis field and recorded as diagnosis type (2):

ICD-9/9CM
820.0, 820.1, 820.2, 820.3, 820.8, 820.9; excluding cases where E876.8 (as diagnosis type (9)) or 996.7 (as diagnosis type (2)) is also recorded in any diagnosis position.

ICD-10-CA
S72.0, S72.1, S72.2; excluding cases where Y65.8 (as diagnosis type (9)) or M96.6 (as diagnosis type (2)) is also recorded in any diagnosis position.

Comorbid conditions adjusted for in the model include:

Seizure: (as diagnosis type (1), or )
ICD-9: 345.0-345.2, 345.3-345.9, 780.3
ICD-9-CM: 345.00, 345.01, 345.10, 345.11, 345.2, 345.3, 345.40, 345.41, 345.50, 345.51, 345.60, 345.61, 345.70, 345.71, 345.80, 345.81, 345.90, 345.91, 780.31, 780.39
ICD-10-CA: G40 - G41, R56

Stroke: (as diagnosis type (1), or )
ICD-9: 430, 431, 432.0, 432.1, 432.9-433.3, 433.8-434.1, 434.9, 436,
997.0

ICD-9-CM: 430, 431, 432.0, 432.1, 432.9, 433.01, 433.11, 433.21, 433.31, 433.81, 433.91, 434.01, 434.11, 434.91, 436, 997.02
ICD-10-CA: I60 - I64

Delirium & Psychosis: (as diagnosis type (1), or )
ICD-9: 290.0, 290.1-290.4, 290.8-291.5, 291.8-292.2, 292.8-293.1, 293.8, 293.9, 294.0, 294.1, 294.8-297.3, 297.8-298.4, 298.8-299.1, 299.8, 299.9
ICD-9-CM: 290, 291, 292, 293, 294, 295, 296, 297, 298, 299
ICD-10-CA: F00*, F01-F06, F09 - F39, F84
*F00 (as diagnosis type (3) or (6))

Trauma (excluding falls for numerator cases): (as diagnosis type (9))
ICD-9: E800-E848, E880, E886, E888, E890-E899, E900-E910, E913-E926, E928, E950-E958, E960-E968, E970-E976, E990-E998 (Falls: E880, E886, E888)
ICD-9-CM: E800-E848, E880, E886, E888, E890-E899, E900-E910, E913-E926, E928, E950-E958, E960-E968, E970-E976, E990-E998 (Falls: E880, E886, E888)
ICD-10-CA: V01-V99, W00-W23, X00-X09, W92-W94, X33-X38, X17, X30, X31, X51, X53, X54, X57, X20-X29, W50-W60, W64-W77, W81-W84, W30, W31, W44, W45, W25-W27, W33-W40, W85-W99, X10-X19, X60-X84, X85-Y09, Y35.0, Y35.1, Y35.2, Y35.3, Y35.4, Y35.6, Y35.7, Y36 (Falls: W00-W19)

Cancer: (as diagnosis type (1), or )
ICD-9: 140-208, V58.1, V58.0
ICD-9-CM: 140-208, V58.1, V58.0
ICD-10-CA: C00-C26, C30-C44, C45-C97, Z51.0, Z51.1

Surgical procedure1 (excluding hip fracture repair surgery for numerator cases):
ICD-9: 01.01-01.39, 07.24, 14.01-14.83, 14.88-16.82, 16.89-21.82, 21.89-29.7, 29.82-34.81, 34.89-41.81, 41.83-43.82, 43.84-45.84, 45.88-46.88, 46.90-48.91, 48.99-50.79, 50.91-50.93, 50.96-52.81, 52.89-63.95, 63.97-64.96, 64.98-66.83, 66.89-67.84, 67.89-69.82, 69.89-71.96, 71.98-72.95, 72.97-75.81, 75.89-80.83, 80.89-88.81, 88.89-92.69, 92.80-97.82, 97.89-98.99 (Hip fracture repair 90.54, 91.14), 91.34, 93.51, 93.59, 93.61, 93.62, 93.69, 93.64, 93.63)
ICD-9-CM: 01 - 86.99 (Hip fracture repair: 79.05, 79.25, 78.55, 79.15, 79.35, 81.51, 81.53, 79.35, 81.52)
ICD-10-CA: 1^^, 2^^, 5^^ (Hip fracture repair: 1.VA.74^^, 1.VA.53^^, 1.VC.74^^, 1.SQ.53^^)

1 Code may be recorded in any position. Procedures coded as cancelled, previous and “abandoned after onset” are excluded.