Appendix I. Associated Tables
Table 1. Firearm-associated external cause of injury codes.
Cause of Injury E-Codes Unintentional E922.0- E922.4
E922.8- E922.9 Suicide Attempt E955.0- E955.4 E955.6, E955.9 Assault E965.0-E965.4,
E979.4 Legal
Intervention E970
Undetermined E985.0- E985.4 E985.6
Table 2. Fracture ICD-9 codes
Fracture Type ICD-9 Diagnosis Code Upper Extremity (UE)
Humerus 812
Radius or Ulna 813
Wrist or Hand 814, 815, 816
Other UE 818, 819
Lower Extremity (LE)
Femur 820, 821
Tibia or Fibula 823
Ankle or Foot 824, 825, 826 Other LE 822, 827, 828
Spine 805, 806
Pelvis 808
Unspecified fracture 829
Table 3. Major ICD-9 (International Classification of Diseases, Ninth Revision) and CCS (Clinical Classifications Software) procedure codes utilized to identify firearm-associated fractures that required an operative procedure.
Procedure ICD-9 Procedure Codes CCS Codes
External fixation 781.0-781.9
Internal fixation 785.0-785.9
Closed reduction 790.0-791.9, 794.0-794.9 Open reduction 792.0-793.9, 795.0-795.9
Debridement 796.0-796.9
Arthrotomy 800.0-801.9
Spinal fusion 810.0-810.8, 816.2-816.4 158
Fasciotomy 821.2, 831.4
Amputation 157
Vascular procedure 383.0-384.9, 393.1, 393.2, 395.6-395.9
Other OR procedure on bones 161-164
Table 4. Incidence, 2003-2012, for all firearm-associated injuries (FAI) and firearm-associated fractures (FAF)
2003 2006 2009 2012 Overall
Total Non-Birth Population
Admissions (n) 3,462,852
(3,283,749-3,641,954) 3,429,489
(3,211,674-3,647,303) 3,359,511
(3,146,573-3,572,449) 2,932,427
(2,739,501-3,125,354) 13,184,279 (12,685,997-13,682,561) Non-Birth Admissions with FAI
(n)
8,325 (7,174-9,476)
9,979 (8,722-11,236)
8,864 (7,792-9,937)
7,326 (6,454-8,197)
34,494 (31,285-37,703)
… age 0-4 (%) 1.5
(1.1-2.0) 1.5
(1.2-1.9) 2.0
(1.6-2.5) 2.4
(1.9-3.0) 1.8
(1.6-2.1)
… age 5-9 (%) 3.7
(3.1-4.4)
2.6 (2.2-3.3)
2.3 (1.9-2.8)
2.9 (2.3-3.5)
2.9 (2.6-3.2)
… age 10-14 (%) 10.3
(9.1-11.7)
9.6 (8.5-10.9)
7.9 (7.0-9.0)
7.9 (6.9-9.2)
9.0 (8.3-9.7)
… age 15-20 (%) 84.6
(82.7-86.3) 86.2
(84.5-87.8) 87.8
(86.1-89.2) 86.9
(85.0-88.6) 86.4
(85.3-87.4) Proportion Non-Birth
Admissions with FAI (per 100,000)
240.4 (211.2-273.7)
291.0 (258.4-327.7)
263.9 (234.5-296.9)
249.8 (221.4-281.9)
261.6 (239.7-285.6)
… age 0-4 9.6
(7.2-12.7)
12.1 (9.6-15.3)
14.6 (11.7-18.2)
16.9 (13.6-21.0)
13.1 (11.5-14.9)
… age 5-9 82.7
(69.6-98.2)
75.3 (62.8-90.4)
57.7 (48.3-68.8)
64.9 (53.5-78.7)
70.3 (63.6-77.8)
… age 10-14 210.9
(185.7-239.5) 256.0
(223.6-293.0) 189.1
(165.2-216.4) 161.7
(138.7-188.5) 205.0
(188.3-223.2)
… age 15-20 500.9
(436.5-574.6) 588.3
(521.7-663.4) 540.0
(479.8-607.6) 515.9
(457.0-582.3) 537.4
(490.9-588.4) Non-Birth Admissions with FAF
(n)
2,516 (2,103-2,928)
3,373 (2,907-3,840)
3,250 (2,817-3,683)
2,814 (2,432-3,195)
11,953 (10,739-13,168)
… age 0-4 (%) 0.8
(0.5-1.4)
0.6 (0.4-1.1)
1.2 (0.8-1.8)
1.4 (1.0-2.1)
1.0 (0.8-1.3)
… age 5-9 (%) 2.1
(1.5-3.0)
1.6 (1.1-2.3)
1.5 (1.0-2.2)
1.8 (1.2-2.6)
1.7 (1.4-2.1)
… age 10-14 (%) 7.1
(5.8-8.7)
6.6 (5.5-7.9)
6.1 (5.0-7.5)
5.3 (4.3-6.7)
6.3 (5.6-7.0)
… age 15-20 (%) 90.0
(88.1-91.6) 91.2
(89.6-92.5) 91.2
(89.5-92.7) 91.5
(89.8-92.9) 91.0
(90.1-91.9) Proportion Non-Birth
Admissions with FAF (per 100,000)
72.7 (61.3-84.0)
98.4 (85.1-111.6)
96.7 (84.0-109.5)
96.0 (82.6-109.3)
90.7 (82.2-100.0)
… age 0-4 1.6
(0.9-2.9)
1.7 (1.0-3.0)
3.2 (2.1-4.8)
3.9 (2.7-5.6)
2.5 (2.0-3.2)
… age 5-9 14.2
(10.2-19.9)
15.6 (11.3-21.6)
13.6 (9.5-19.5)
15.4 (10.5-22.8)
14.7 (12.2-17.6)
… age 10-14 43.9
(35.1-55.0) 59.2
(47.8-73.2) 53.3
(43.0-66.0) 41.8
(33.0-53.0) 49.5
(43.5-56.3)
… age 15-20 161.1
(137.3-188.9) 210.2
(184.5-239.5) 205.8
(181.0-234.1) 208.6
(182.1-239.0) 196.3
(178.1-216.3) Non-Birth FAI Admissions with
FAF (%) 30.2
(28.7-31.8) 33.8
(32.4-35.2) 36.7
(35.3-38.1) 38.4
(36.8-40.1) 34.7
(33.8-35.5)