Table 1.

Diagnostic groupings used to identify cases with pre-frailty and frailty

FRAIL scale components	ICD-9-CM codes
Fatigue	300.5, 780.7x, 797, 780.99
Resistance	799.3, E880, E881, E882, E883, E884, E885, E888
Ambulation	719.7, 781.2
Illnesses	HTN (401.x–405.x), Cancer (140.x–208.x), COPD (491.x), AMI (410.x), CHF (428.x), angina (411.1, 411.81, 411.89, 413.0, 413.1, 413.9), asthma (493.x), arthritis (99.3, 274, 696.0, 695.4, 710.x, 711.x, 712.x, 714.x, 713.x, 715.x, 716.x, 719.x, 720.x, 721.x), stroke (430.x–438.x), CKD (016.0x, 042.x, 095.4, 189.x, 223.x, 236.9x, 250.4x, 271.4, 274.1x, 403.x, 404.x, 440.1, 442.1, 446.21, 447.3x, 572.4, 580.x–589.x, 590.x, 591.x, 593.x, 642.1x, 646.2x, 753.x, 984.x)
Body weight loss	260, 261, 262, 263.0, 263.1, 263.8, 263.9, 728.2, 780.94, 783.21, 783.3, 783.7, 799.4