Appendix: 2002 Statistics on Stays in U.S. Hospitals, Principal Diagnosis (continued)

Number of Discharges, Mean Length of Stay, Mean Charges, Percent Admitted from the ED, and Percent Died in the Hospital^x (continued)

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Diseases of the Respiratory System

Clinical Classifications Software (CSS) Diagnosis Category and Number	Number of Discharges	Mean Length of Stay	Mean Charges	Percent Admitted from the ED	Percent Died in the Hospital
122. Pneumonia	1,275,079	5.8	$18,400	69.9%	5.6%
123. Influenza	22,508	3.9	$10,300	59.6%	1.3%
124. Tonsillitis	32,128	2.0	$7,300	41.1%	*
125. Acute bronchitis	207,971	3.2	$8,800	53.0%	0.2%
126. Other infections of upper respiratory tract (nose, throat, trachea)	82,254	2.7	$8,600	58.6%	0.1%
127. Chronic obstructive lung disease	619,309	5.1	$15,400	71.8%	2.6%
128. Asthma	404,483	3.3	$10,400	69.5%	0.3%
129. Aspiration pneumonitis (aspiration of stomach contents into lung)	188,555	8.7	$30,400	76.0%	18.3%
130. Pleurisy, pneumothorax, collapsed lung	108,422	6.9	$24,400	63.0%	4.2%
131. Adult respiratory failure or arrest	210,358	10.5	$48,500	75.3%	22.5%
132. Lung disease due to external agents	7,679	6.1	$23,000	63.6%	6.7%
133. Other lung disease	147,628	4.3	$16,900	62.0%	3.7%
134. Other upper respiratory disease (nose, throat, trachea)	46,932	3.7	$15,200	54.2%	0.6%

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Diseases of the Digestive System

Clinical Classifications Software (CSS) Diagnosis Category and Number	Number of Discharges	Mean Length of Stay	Mean Charges	Percent Admitted from the ED	Percent Died in the Hospital
135. Intestinal infection	152,088	4.1	$11,900	68.4%	1.4%
136. Disorders of teeth and jaw	26,683	2.5	$14,600	28.9%	*
137. Diseases of mouth, excluding dental	19,121	4.3	$14,200	48.9%	0.9%
138. Disorders of esophagus (passage leading to stomach)	176,370	3.4	$13,800	61.0%	0.6%
139. Gastroduodenal (stomach or peptic) ulcer, without bleeding	46,046	6.1	$25,600	71.6%	3.8%
140. Inflammation of stomach or duodenum (first part of small intestine)	140,957	3.7	$12,900	71.4%	0.8%
141. Other disorders of stomach and duodenum (first part of small intestine)	55,351	5.1	$17,100	62.5%	1.4%
142. Appendicitis	285,996	3.2	$16,300	78.8%	0.2%
143. Abdominal hernia	175,629	4.4	$20,200	34.0%	1.3%
144. Regional enteritis and ulcerative colitis	81,789	6.1	$20,300	56.0%	0.7%
145. Intestinal obstruction without hernia	299,610	6.4	$21,100	74.8%	3.2%
146. Diverticulosis and diverticulitis	295,735	5.4	$19,100	65.8%	1.2%
147. Anal and rectal conditions	48,392	4.4	$15,300	52.0%	0.7%
148. Intestinal abscess and peritonitis (inflammation of abdominal cavity lining)	21,606	8.6	$33,000	60.7%	6.5%
149. Gallbladder disease	471,442	4.2	$20,300	57.4%	0.9%
150. Alcohol-related liver disease	67,547	6.7	$27,100	75.3%	10.0%
151. Other liver disease	105,105	6.3	$25,100	66.5%	8.7%
152. Pancreatic disorders other than diabetes	277,512	6.0	$21,200	78.0%	1.5%
153. Gastrointestinal bleeding	340,480	4.6	$17,000	74.5%	3.8%
154. Inflammation of stomach and intestines (noninfectious gastroenteritis)	157,364	2.8	$8,100	68.7%	0.3%
155. Other disorders of stomach or intestines	197,022	5.7	$20,600	47.7%	2.2%

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Diseases of the Genitourinary System

Clinical Classifications Software (CSS) Diagnosis Category and Number	Number of Discharges	Mean Length of Stay	Mean Charges	Percent Admitted from the ED	Percent Died in the Hospital
156. Kidney disease other than kidney failure	12,242	5.4	$19,800	38.7%	1.0%
157. Acute kidney failure	154,575	7.5	$25,600	67.2%	10.1%
158. Chronic kidney failure	21,073	5.5	$25,800	38.3%	5.9%
159. Urinary infections	455,624	4.6	$12,800	73.5%	1.6%
160. Kidney stones	191,055	2.3	$11,300	63.5%	0.1%
161. Other diseases of kidney and ureters (passage to bladder from kidney)	48,291	4.5	$17,400	36.8%	1.1%
162. Other diseases of bladder and urethra (passage from bladder)	29,696	4.1	$16,400	27.3%	1.0%
163. Ill-defined symptoms of urinary disease	36,828	3.5	$12,500	52.3%	1.0%
164. Hyperplasia (enlargement of prostate)	92,997	2.7	$11,200	8.3%	0.2%
165. Inflammation of male genitals	23,262	4.0	$11,400	61.3%	*
166. Other male genital disorders	13,791	3.2	$16,200	42.4%	0.9%
167. Non-cancerous breast conditions	26,353	2.3	$13,000	19.8%	*
168. Inflammatory diseases of female pelvic organs	66,934	3.4	$13,300	41.2%	0.1%
169. Endometriosis	87,464	2.6	$12,600	5.0%	*
170. Prolapse of female genital organs	151,177	2.3	$12,400	*	0.0%
171. Menstrual disorders	113,015	2.3	$10,900	8.2%	*
172. Ovarian cyst	64,958	2.5	$12,300	32.3%	*
173. Menopausal disorders	12,410	2.8	$12,200	15.0%	*
174. Female infertility	549	2.0	$10,200	*	*
175. Other female genital disorders	105,320	2.6	$12,600	11.9%	0.2%

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Complications of Pregnancy, Childbirth, and the Puerperium

Clinical Classifications Software (CSS) Diagnosis Category and Number	Number of Discharges	Mean Length of Stay	Mean Charges	Percent Admitted from the ED	Percent Died in the Hospital
176. Contraceptive or procreative management (birth control or helping with conception)	2,245	1.6	$11,000	*	*
177. Spontaneous abortion	22,621	1.4	$7,600	71.1%	*
178. Induced abortion	8,191	1.8	$8,400	41.1%	*
179. Complications following abortion	2,914	2.5	$9,900	73.7%	*
180. Ectopic (abdominal or tubal) pregnancy	32,504	2.1	$12,200	72.7%	*
181. Other complications of pregnancy	450,486	2.5	$6,900	19.3%	0.0%
182. Hemorrhage during pregnancy, abruptio placenta, placenta previa (bleeding and placenta disorders during pregnancy)	56,748	4.3	$11,100	11.1%	*
183. Hypertension (high blood pressure) during pregnancy	213,735	3.5	$9,800	7.8%	0.0%
184. Early or threatened labor	241,708	3.3	$8,300	8.4%	*
185. Prolonged pregnancy	225,298	2.3	$6,800	*	*
186. Diabetes or high blood glucose during pregnancy	91,227	2.6	$7,200	7.9%	*
187. Malposition, malpresentation (breech birth and other disorders of baby's position during birth)	174,666	3.3	$9,800	4.6%	*
188. Obstructed labor or fetopelvic disproportion	111,380	3.1	$9,600	3.3%	*
189. Previous cesarean section (C-section)	393,615	2.9	$9,000	3.9%	*
190. Fetal distress and abnormal forces of labor	236,234	2.9	$9,100	5.4%	*
191. Polyhydramnios (excess amniotic fluid) and other problems of amniotic cavity	194,968	3.4	$8,700	6.9%	*
192. Umbilical cord complication	231,926	2.0	$5,700	5.2%	*
193. Trauma to vulva (external female genitals) and perineum (area between anus and vagina) due to childbirth	804,199	2.0	$5,700	*	*
194. Forceps delivery	52,400	2.1	$6,300	4.7%	*
195. Other maternal complications of birth and puerperium (period after childbirth)	693,752	2.6	$7,800	8.4%	0.0%
196. Normal pregnancy and/or delivery	402,114	2.0	$5,600	7.5%	*

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Diseases of the Skin and Subcutaneous Tissue

Clinical Classifications Software (CSS) Diagnosis Category and Number	Number of Discharges	Mean Length of Stay	Mean Charges	Percent Admitted from the ED	Percent Died in the Hospital
197. Skin and subcutaneous tissue infections	427,234	4.9	$12,700	61.0%	0.5%
198. Other inflammations of skin	10,254	5.8	$18,400	54.3%	2.7%
199. Chronic ulcer of skin	67,345	10.6	$27,500	38.7%	3.0%
200. Other skin disorders	17,062	3.6	$14,600	20.5%	*

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Diseases of the Musculoskeletal System and Connective Tissue

Clinical Classifications Software (CSS) Diagnosis Category and Number	Number of Discharges	Mean Length of Stay	Mean Charges	Percent Admitted from the ED	Percent Died in the Hospital
201. Infective arthritis and osteomyelitis (bone infection)	78,787	9.2	$29,400	39.8%	1.2%
202. Rheumatoid arthritis	22,220	4.3	$20,600	29.3%	0.8%
203. Osteoarthritis (degenerative joint disease)	553,022	4.1	$27,300	2.4%	0.1%
204. Other non-traumatic joint disorders	48,572	3.3	$13,700	41.3%	0.3%
205. Spondylosis, intervertebral disc disorders (back problems, disorders of intervertebral discs and bones in spinal column)	633,717	3.1	$21,100	18.4%	0.2%
206. Osteoporosis (loss of bone due to insufficient calcium)	1,046	5.4	$13,200	41.7%	*
207. Pathological fracture (fracture of bone weakened by disease)	73,351	6.2	$21,000	55.9%	2.1%
208. Acquired foot deformities	7,450	2.2	$13,700	2.2%	*
209. Other acquired deformities	38,481	4.5	$37,700	4.5%	0.3%
210. Systemic lupus erythematosus (a form of chronic rheumatic disease) and connective tissue disorders	22,232	7.0	$27,700	50.8%	2.6%
211. Other connective tissue disease	127,240	4.1	$15,300	47.0%	0.8%
212. Other bone disease and musculoskeletal deformities	96,247	3.6	$24,700	22.3%	0.2%

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Congenital Anomalies

Clinical Classifications Software (CSS) Diagnosis Category and Number	Number of Discharges	Mean Length of Stay	Mean Charges	Percent Admitted from the ED	Percent Died in the Hospital
213. Cardiac and circulatory birth defects	39,618	8.9	$71,400	11.4%	2.9%
214. Digestive birth defects	21,026	6.6	$28,200	31.4%	0.7%
215. Genitourinary birth defects	12,691	4.0	$20,400	15.0%	*
216. Nervous system birth defects	6,181	6.9	$35,300	14.5%	1.3%
217. Other birth defects	49,512	4.8	$30,600	5.5%	0.6%

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Certain Conditions Originating in the Perinatal Period (around the time of birth)

Clinical Classifications Software (CSS) Diagnosis Category and Number	Number of Discharges	Mean Length of Stay	Mean Charges	Percent Admitted from the ED	Percent Died in the Hospital
218. Newborn infant	4,154,780	3.1	$5,200	0.1%	0.3%
219. Premature birth and low birthweight	21,898	24.2	$79,300	*	6.1%
220. Intrauterine hypoxia and birth asphyxia (lack of oxygen to baby in uterus or during birth)	409	15.6	$72,800	*	27.5%
221. Infant respiratory distress syndrome	8,144	24.2	$91,400	*	3.9%
222. Hemolytic jaundice and perinatal jaundice (infant jaundice following birth)	38,729	2.1	$4,200	13.0%	*
223. Birth trauma	*	4.9	$24,900	*	*
224. Other conditions occurring around the time of birth	55,102	7.3	$27,500	28.7%	1.7%

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Injury and Poisoning

Clinical Classifications Software (CSS) Diagnosis Category and Number	Number of Discharges	Mean Length of Stay	Mean Charges	Percent Admitted from the ED	Percent Died in the Hospital
225. Joint disorders and dislocations due to trauma	40,540	2.8	$18,000	29.8%	0.2%
226. Hip fracture	306,228	6.5	$26,400	80.0%	3.2%
227. Spinal cord injury	12,010	12.8	$76,800	77.4%	6.0%
228. Skull and face fractures	50,483	3.6	$20,800	75.5%	0.6%
229. Fracture of arm	151,123	3.2	$16,400	71.6%	0.4%
230. Fracture of leg	263,058	4.6	$22,000	73.5%	0.5%
231. Other fractures	167,690	5.5	$20,900	76.6%	1.5%
232. Sprains and strains	55,439	2.4	$10,800	40.1%	*
233. Brain injury	152,384	6.7	$38,100	83.1%	10.0%
234. Crushing injury or internal injury	100,873	6.9	$37,900	85.5%	4.3%
235. Open wounds of head, neck, and trunk	45,831	2.8	$15,500	84.9%	0.7%
236. Open wounds of arms and legs	52,218	3.5	$16,000	75.9%	0.2%
237. Complication of medical device, implant or graft	589,077	5.7	$31,200	33.1%	1.9%
238. Complications of surgical procedures or medical care	435,557	6.2	$21,800	46.0%	1.6%
239. Superficial injury, bruise	54,961	3.2	$10,400	78.9%	0.5%
240. Burns	28,867	8.5	$39,200	47.0%	3.0%
241. Poisoning by psychiatric drugs	69,784	2.4	$10,200	87.2%	0.8%
242. Poisoning by other medications and drugs	136,215	2.8	$11,500	85.8%	1.3%
243. Poisoning by substances other than medicine	23,863	2.9	$13,200	78.0%	1.6%
244. Other injuries	97,523	3.2	$13,800	74.5%	2.3%

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Symptoms, Signs, and Ill-defined Conditions and Factors Influencing Health Status

Clinical Classifications Software (CSS) Diagnosis Category and Number	Number of Discharges	Mean Length of Stay	Mean Charges	Percent Admitted from the ED	Percent Died in the Hospital
245. Syncope (fainting)	262,885	2.9	$11,800	82.4%	0.3%
246. Fever of unknown origin	73,525	3.6	$10,900	61.1%	0.5%
247. Lymphadenitis (inflamed lymph nodes)	17,670	3.2	$11,500	48.1%	*
248. Gangrene	48,089	10.8	$40,000	30.0%	5.8%
249. Shock	4,607	5.5	$25,600	73.7%	51.5%
250. Nausea and vomiting	48,178	3.2	$9,100	60.9%	0.7%
251. Abdominal pain	206,810	2.8	$9,600	69.6%	0.4%
252. Malaise (physical discomfort) and fatigue	22,741	4.1	$9,400	67.1%	0.9%
253. Allergic reactions	21,986	2.9	$9,000	69.0%	0.4%
254. Rehabilitation care, fitting of prostheses, and adjustment of devices	480,478	12.3	$21,200	1.4%	0.6%
255. Administrative/social admission	*	*	$7,700	*	*
256. Medical examination/evaluation	10,405	2.5	$3,900	6.7%	*
257. Other aftercare	48,314	8.0	$16,500	2.6%	4.3%
258. Other screening	2,964	1.8	$6,400	42.8%	*
259. Residual codes, unclassified	78,340	3.6	$13,300	43.6%	1.9%

^x Weighted national estimates from HCUP Nationwide Inpatient Sample (NIS), 2002, based on data collected by individual States and provided to AHRQ by the States. Total number of weighted discharges in the U.S. based on HCUP NIS = 37,804,021. Statistics based on estimates with a relative standard error (standard error/weighted estimate) greater than 0.30 or with standard error = 0 are not reliable. These statistics are suppressed and are designated with an asterisk (*).

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AHRQ Publication No. 05-0056
Current as of June 2005