IP - EM.1.unplanned_or

CM Codes

Data Overview

18537 total codes in komodo_rii; 452 retained after n_claims > 500 filter.

CMS severity	n codes
No CC/MCC	248
CC	143
MCC	61

PCA Analysis

PC1 explains 39.0% of variance; PC1+PC2 together explain 56.0%.

Tier Clustering (k=5)

Tier Summary

tier	n_codes	n_claims	length of stay	n distinct rev codes	organ system count	work rvu	n imaging lines	relative claim charge	n j code lines	icu
1	22.000	38431.000	4.771	15.229	4.165	1.381	0.320	0.626	1.144	0.152
2	115.000	369539.000	8.073	19.318	6.021	2.491	0.798	0.925	1.481	0.297
3	154.000	389041.000	10.598	21.731	6.013	2.553	1.112	1.098	1.492	0.430
4	112.000	251264.000	13.312	23.466	6.024	2.467	1.284	1.339	1.601	0.528
5	49.000	77618.000	17.683	25.918	6.154	2.933	1.704	1.734	2.117	0.674

CMS Severity × intensity Tier

cms_severity	Tier 1	Tier 2	Tier 3	Tier 4	Tier 5	All
CC	5	17	61	44	16	143
MCC	0	0	8	25	28	61
No CC/MCC	17	98	85	43	5	248
All	22	115	154	112	49	452

Feature Analysis

Feature Correlation

Feature Audit

	pc1_loading	r_with_volume	r_with_severity
avg_n_distinct_rev_codes	0.408	-0.024	0.558
avg_relative_claim_charge	0.367	-0.037	0.502
avg_length_of_stay	0.363	0.001	0.592
rate_icu	0.361	-0.007	0.420
avg_n_imaging_lines	0.335	-0.133	0.492
rate_mechanical_ventilation	0.334	0.008	0.504
rate_transfusion	0.318	-0.048	0.446
rate_dialysis	0.168	0.126	0.360
avg_organ_system_count	0.161	0.040	-0.163
avg_n_distinct_hcps	0.119	-0.056	-0.250
rate_multiple_or_days	0.116	-0.006	0.019
avg_n_j_code_lines	0.115	-0.059	-0.072
avg_work_rvu	0.066	-0.034	-0.096
rate_or	-0.114	-0.099	-0.215

Top 6 Tier-Discriminating Features

Bottom 6 Tier-Discriminating Features

Score Validation

Misclassification Audit (N=10 samples)

Over-tiered: Tier 5, No CC/MCC (5 codes)

code	code_description	cms_severity	intensity_score	tier	n_claims	key_drivers
G928	Other toxic encephalopathy	No CC/MCC	4.171	5	3946	n distinct rev codes (+0.78), n imaging lines (+0.71), length of stay (+0.66)
K683	Retroperitoneal hematoma	No CC/MCC	3.783	5	584	transfusion (+1.17), relative claim charge (+0.65), icu (+0.62)
K7031	Alcoholic cirrhosis of liver with ascites	No CC/MCC	3.560	5	1049	transfusion (+0.93), n distinct rev codes (+0.59), icu (+0.50)
K7682	Hepatic encephalopathy	No CC/MCC	3.410	5	984	transfusion (+0.73), n distinct rev codes (+0.59), relative claim charge (+0.42)
S065XAA	Traumatic subdural hemorrhage with loss of consciousness status unknown, initial encounter	No CC/MCC	3.406	5	718	n imaging lines (+0.96), icu (+0.84), mechanical ventilation (+0.63)

Under-tiered: Tier 1, MCC (0 codes)

None.

Top Codes by Tier

Tier 1 (n=22 codes)

code	Description	CMS severity	Score	N claims	Key drivers
I6522	Occlusion and stenosis of left carotid artery	No CC/MCC	-3.886	1456	n distinct rev codes (-0.92), length of stay (-0.68), relative claim charge (-0.61)
K430	Incisional hernia with obstruction, without gangrene	CC	-3.954	503	n distinct rev codes (-0.71), n imaging lines (-0.55), length of stay (-0.49)
L03113	Cellulitis of right upper limb	CC	-3.992	984	n distinct rev codes (-0.71), icu (-0.64), relative claim charge (-0.64)
I6521	Occlusion and stenosis of right carotid artery	No CC/MCC	-4.014	1613	n distinct rev codes (-0.88), length of stay (-0.69), relative claim charge (-0.62)
K449	Diaphragmatic hernia without obstruction or gangrene	No CC/MCC	-4.021	4181	n distinct rev codes (-0.82), length of stay (-0.56), n imaging lines (-0.52)
D259	Leiomyoma of uterus, unspecified	No CC/MCC	-4.102	693	n distinct rev codes (-0.82), length of stay (-0.56), icu (-0.52)
K660	Peritoneal adhesions (postprocedural) (postinfection)	No CC/MCC	-4.179	2371	n distinct rev codes (-0.91), n imaging lines (-0.60), icu (-0.57)
N321	Vesicointestinal fistula	CC	-4.208	751	n distinct rev codes (-0.78), icu (-0.61), n imaging lines (-0.50)
M1612	Unilateral primary osteoarthritis, left hip	No CC/MCC	-4.263	1176	icu (-0.76), n imaging lines (-0.67), n distinct rev codes (-0.59)
M1611	Unilateral primary osteoarthritis, right hip	No CC/MCC	-4.358	1315	icu (-0.72), n imaging lines (-0.66), n distinct rev codes (-0.59)

Tier 2 (n=115 codes)

code	Description	CMS severity	Score	N claims	Key drivers
H547	Unspecified visual loss	No CC/MCC	-1.136	573	transfusion (-0.36), relative claim charge (-0.34), length of stay (-0.31)
N401	Benign prostatic hyperplasia with lower urinary tract symptoms	No CC/MCC	-1.139	2128	transfusion (-0.19), mechanical ventilation (-0.19), icu (-0.18)
H409	Unspecified glaucoma	No CC/MCC	-1.147	1075	relative claim charge (-0.28), organ system count (+0.22), length of stay (-0.21)
M109	Gout, unspecified	No CC/MCC	-1.150	2443	n imaging lines (-0.27), length of stay (-0.26), n distinct rev codes (-0.24)
N200	Calculus of kidney	No CC/MCC	-1.155	624	length of stay (-0.26), icu (-0.26), n distinct rev codes (-0.23)
G894	Chronic pain syndrome	No CC/MCC	-1.173	1308	icu (-0.28), organ system count (+0.25), transfusion (-0.23)
E1151	Type 2 diabetes mellitus with diabetic peripheral angiopathy without gangrene	No CC/MCC	-1.193	4761	relative claim charge (-0.21), mechanical ventilation (-0.19), n imaging lines (-0.17)
M47816	Spondylosis without myelopathy or radiculopathy, lumbar region	No CC/MCC	-1.203	574	icu (-0.41), transfusion (-0.30), length of stay (-0.28)
I951	Orthostatic hypotension	No CC/MCC	-1.226	1976	icu (-0.27), mechanical ventilation (-0.26), relative claim charge (-0.17)
E1140	Type 2 diabetes mellitus with diabetic neuropathy, unspecified	No CC/MCC	-1.240	3468	relative claim charge (-0.28), icu (-0.21), transfusion (-0.20)

Tier 3 (n=154 codes)

code	Description	CMS severity	Score	N claims	Key drivers
E2740	Unspecified adrenocortical insufficiency	CC	0.653	863	relative claim charge (+0.18), icu (+0.17), length of stay (+0.14)
N179	Acute kidney failure, unspecified	CC	0.650	23862	n distinct rev codes (+0.21), transfusion (+0.13), icu (+0.11)
D84821	Immunodeficiency due to drugs	No CC/MCC	0.616	2018	transfusion (+0.22), dialysis (+0.22), mechanical ventilation (-0.12)
E869	Volume depletion, unspecified	No CC/MCC	0.613	561	n distinct rev codes (+0.23), n distinct hcps (+0.19), transfusion (+0.15)
I5A	Non-ischemic myocardial injury (non-traumatic)	No CC/MCC	0.598	657	n imaging lines (+0.30), n distinct rev codes (+0.24), or (+0.20)
C7951	Secondary malignant neoplasm of bone	CC	0.582	2136	n imaging lines (+0.55), n distinct rev codes (+0.29), mechanical ventilation (-0.16)
N3000	Acute cystitis without hematuria	CC	0.577	1055	n distinct rev codes (+0.30), n imaging lines (+0.27), length of stay (+0.25)
T82858A	Stenosis of other vascular prosthetic devices, implants and grafts, initial encounter	CC	0.569	598	dialysis (+0.99), n distinct rev codes (-0.18), organ system count (+0.17)
I452	Bifascicular block	CC	0.568	607	or (+0.21), icu (+0.17), n distinct rev codes (+0.15)
I214	Non-ST elevation (NSTEMI) myocardial infarction	MCC	0.568	4765	or (+0.50), icu (+0.37), relative claim charge (+0.23)

Tier 4 (n=112 codes)

code	Description	CMS severity	Score	N claims	Key drivers
Q250	Patent ductus arteriosus	CC	2.874	811	relative claim charge (+2.63), mechanical ventilation (+1.55), organ system count (-0.78)
J9621	Acute and chronic respiratory failure with hypoxia	MCC	2.841	5948	length of stay (+0.74), mechanical ventilation (+0.66), relative claim charge (+0.50)
K659	Peritonitis, unspecified	MCC	2.739	841	relative claim charge (+0.49), length of stay (+0.45), dialysis (+0.39)
E8729	Other acidosis	No CC/MCC	2.669	1682	mechanical ventilation (+0.60), icu (+0.59), relative claim charge (+0.51)
J1282	Pneumonia due to coronavirus disease 2019	No CC/MCC	2.660	874	length of stay (+0.64), relative claim charge (+0.59), n distinct rev codes (+0.48)
J9601	Acute respiratory failure with hypoxia	MCC	2.652	19289	mechanical ventilation (+0.66), icu (+0.50), n distinct rev codes (+0.47)
K922	Gastrointestinal hemorrhage, unspecified	CC	2.643	1810	transfusion (+1.07), icu (+0.37), n distinct rev codes (+0.36)
I5021	Acute systolic (congestive) heart failure	MCC	2.617	1176	icu (+0.57), n distinct rev codes (+0.48), relative claim charge (+0.43)
J90	Pleural effusion, not elsewhere classified	CC	2.581	4976	n distinct rev codes (+0.44), icu (+0.36), relative claim charge (+0.34)
L89153	Pressure ulcer of sacral region, stage 3	MCC	2.467	1014	length of stay (+1.08), transfusion (+0.28), relative claim charge (+0.28)

Tier 5 (n=49 codes)

code	Description	CMS severity	Score	N claims	Key drivers
J80	Acute respiratory distress syndrome	MCC	8.852	553	mechanical ventilation (+2.08), relative claim charge (+1.79), length of stay (+1.12)
I469	Cardiac arrest, cause unspecified	MCC	6.973	863	mechanical ventilation (+1.88), relative claim charge (+1.10), icu (+0.91)
J151	Pneumonia due to Pseudomonas	MCC	6.768	547	length of stay (+1.60), mechanical ventilation (+1.53), relative claim charge (+1.26)
K7200	Acute and subacute hepatic failure without coma	MCC	6.524	1221	relative claim charge (+1.18), mechanical ventilation (+1.18), n distinct rev codes (+0.99)
I330	Acute and subacute infective endocarditis	MCC	6.504	660	length of stay (+1.10), n distinct rev codes (+0.96), relative claim charge (+0.90)
G931	Anoxic brain damage, not elsewhere classified	CC	5.860	560	mechanical ventilation (+1.96), length of stay (+0.99), relative claim charge (+0.76)
G7281	Critical illness myopathy	CC	5.686	516	length of stay (+1.71), mechanical ventilation (+1.06), relative claim charge (+0.71)
A4101	Sepsis due to Methicillin susceptible Staphylococcus aureus	MCC	5.205	508	relative claim charge (+1.00), n distinct rev codes (+0.89), length of stay (+0.82)
E874	Mixed disorder of acid-base balance	CC	5.017	1130	mechanical ventilation (+0.98), relative claim charge (+0.77), n distinct rev codes (+0.77)
A4159	Other Gram-negative sepsis	MCC	4.998	513	length of stay (+1.10), relative claim charge (+0.80), n distinct rev codes (+0.77)

Key Driver Frequency

feature	count	pct
n distinct rev codes	248	54.900
icu	225	49.800
length of stay	183	40.500
relative claim charge	175	38.700
transfusion	141	31.200
n imaging lines	136	30.100
mechanical ventilation	83	18.400
organ system count	43	9.500
dialysis	30	6.600
or	29	6.400
n j code lines	22	4.900
multiple or days	21	4.600
n distinct hcps	16	3.500
work rvu	4	0.900

PCS Codes

Data Overview

16687 total codes in komodo_rii; 178 retained after n_claims > 500 filter.

PCA Analysis

PC1 explains 46.0% of variance; PC1+PC2 together explain 60.3%.

Tier Clustering (k=5)

Tier Summary

tier	n_codes	n_claims	length of stay	n distinct rev codes	work rvu	n j code lines	organ system count	relative claim charge	n imaging lines	icu
1	25.000	30582.000	4.677	15.283	0.720	0.820	3.887	0.669	0.371	0.196
2	48.000	68723.000	9.205	20.894	2.045	1.073	5.241	1.167	1.029	0.394
3	43.000	56079.000	13.009	23.323	2.371	1.537	5.633	1.402	1.182	0.495
4	47.000	80184.000	15.573	25.727	3.727	2.628	5.590	1.848	1.360	0.653
5	15.000	27894.000	18.461	27.736	4.740	4.245	5.772	2.257	1.790	0.774

Feature Analysis

Feature Correlation

Feature Audit

	pc1_loading	r_with_volume
avg_n_distinct_rev_codes	0.365	0.153
avg_relative_claim_charge	0.335	0.085
rate_icu	0.306	0.183
avg_length_of_stay	0.305	0.116
rate_transfusion	0.304	0.151
avg_n_j_code_lines	0.295	0.099
rate_multiple_or_days	0.286	0.061
avg_n_imaging_lines	0.278	0.073
rate_mechanical_ventilation	0.271	0.188
avg_organ_system_count	0.253	0.010
avg_work_rvu	0.223	0.004
avg_n_distinct_hcps	0.137	0.192
rate_dialysis	0.126	0.234
rate_or	0.089	-0.174

Top 6 Tier-Discriminating Features

Bottom 6 Tier-Discriminating Features

Score Validation

Top Codes by Tier

Tier 1 (n=25 codes)

code	Description	Score	N claims	Key drivers
0RRJ00Z	REPLACEMENT OF RIGHT SHOULDER JOINT WITH REVERSE BALL AND SOCKET SYNTHETIC SUBSTITUTE, OPEN APPROACH	-2.858	533	icu (-0.37), length of stay (-0.34), transfusion (-0.34)
0JDQ0ZZ	EXTRACTION OF RIGHT FOOT SUBCUTANEOUS TISSUE AND FASCIA, OPEN APPROACH	-2.956	589	relative claim charge (-0.51), n distinct rev codes (-0.45), icu (-0.41)
0DNW4ZZ	RELEASE PERITONEUM, PERCUTANEOUS ENDOSCOPIC APPROACH	-2.995	712	n distinct rev codes (-0.51), icu (-0.39), relative claim charge (-0.35)
0JDR0ZZ	EXTRACTION OF LEFT FOOT SUBCUTANEOUS TISSUE AND FASCIA, OPEN APPROACH	-3.030	582	relative claim charge (-0.51), n distinct rev codes (-0.47), icu (-0.40)
03UL0KZ	SUPPLEMENT LEFT INTERNAL CAROTID ARTERY WITH NONAUTOLOGOUS TISSUE SUBSTITUTE, OPEN APPROACH	-3.189	747	n distinct rev codes (-0.57), relative claim charge (-0.52), length of stay (-0.45)
0DTJ4ZZ	RESECTION OF APPENDIX, PERCUTANEOUS ENDOSCOPIC APPROACH	-3.201	966	relative claim charge (-0.47), icu (-0.45), n distinct rev codes (-0.45)
03UK0KZ	SUPPLEMENT RIGHT INTERNAL CAROTID ARTERY WITH NONAUTOLOGOUS TISSUE SUBSTITUTE, OPEN APPROACH	-3.343	818	n distinct rev codes (-0.57), relative claim charge (-0.53), length of stay (-0.45)
0WQF4ZZ	REPAIR ABDOMINAL WALL, PERCUTANEOUS ENDOSCOPIC APPROACH	-3.361	563	n distinct rev codes (-0.49), icu (-0.41), n imaging lines (-0.39)
0SRD0J9	REPLACEMENT OF LEFT KNEE JOINT WITH SYNTHETIC SUBSTITUTE, CEMENTED, OPEN APPROACH	-3.480	1689	icu (-0.51), n distinct rev codes (-0.43), n imaging lines (-0.43)
8E0W4CZ	ROBOTIC ASSISTED PROCEDURE OF TRUNK REGION, PERCUTANEOUS ENDOSCOPIC APPROACH	-3.530	6314	n distinct rev codes (-0.63), icu (-0.42), relative claim charge (-0.41)

Tier 2 (n=48 codes)

code	Description	Score	N claims	Key drivers
02F03ZZ	FRAGMENTATION IN CORONARY ARTERY, ONE ARTERY, PERCUTANEOUS APPROACH	-0.720	740	multiple or days (-0.27), or (-0.19), length of stay (-0.17)
0QS736Z	REPOSITION LEFT UPPER FEMUR WITH INTRAMEDULLARY INTERNAL FIXATION DEVICE, PERCUTANEOUS APPROACH	-0.753	561	icu (-0.37), organ system count (+0.28), relative claim charge (-0.27)
0JPT0PZ	REMOVAL OF CARDIAC RHYTHM RELATED DEVICE FROM TRUNK SUBCUTANEOUS TISSUE AND FASCIA, OPEN APPROACH	-0.780	501	n j code lines (-0.17), transfusion (-0.17), work rvu (-0.15)
027V3ZZ	DILATION OF SUPERIOR VENA CAVA, PERCUTANEOUS APPROACH	-0.799	513	dialysis (+0.51), relative claim charge (-0.34), n j code lines (-0.22)
0QU03JZ	SUPPLEMENT LUMBAR VERTEBRA WITH SYNTHETIC SUBSTITUTE, PERCUTANEOUS APPROACH	-0.912	998	n imaging lines (+0.51), transfusion (-0.31), n j code lines (-0.29)
0SG3071	FUSION OF LUMBOSACRAL JOINT WITH AUTOLOGOUS TISSUE SUBSTITUTE, POSTERIOR APPROACH, POSTERIOR COLUMN, OPEN APPROACH	-0.939	588	work rvu (+0.48), icu (-0.41), n imaging lines (-0.39)
0PU43JZ	SUPPLEMENT THORACIC VERTEBRA WITH SYNTHETIC SUBSTITUTE, PERCUTANEOUS APPROACH	-0.941	945	n imaging lines (+0.48), transfusion (-0.29), multiple or days (-0.25)
8E0ZXY6	ISOLATION	-0.948	913	n j code lines (-0.27), multiple or days (-0.23), work rvu (-0.23)
0QSH04Z	REPOSITION LEFT TIBIA WITH INTERNAL FIXATION DEVICE, OPEN APPROACH	-0.972	581	transfusion (-0.26), icu (-0.25), relative claim charge (-0.24)
0QSG04Z	REPOSITION RIGHT TIBIA WITH INTERNAL FIXATION DEVICE, OPEN APPROACH	-0.990	729	relative claim charge (-0.26), icu (-0.23), multiple or days (+0.22)

Tier 3 (n=43 codes)

code	Description	Score	N claims	Key drivers
5A1223Z	PERFORMANCE OF CARDIAC PACING, CONTINUOUS	1.105	839	icu (+0.43), relative claim charge (+0.26), work rvu (+0.22)
0DB68ZX	EXCISION OF STOMACH, VIA NATURAL OR ARTIFICIAL OPENING ENDOSCOPIC, DIAGNOSTIC	0.991	1972	transfusion (+0.40), n distinct rev codes (+0.34), length of stay (+0.21)
0QS706Z	REPOSITION LEFT UPPER FEMUR WITH INTRAMEDULLARY INTERNAL FIXATION DEVICE, OPEN APPROACH	0.984	548	multiple or days (+0.85), icu (-0.36), organ system count (+0.31)
5A09457	ASSISTANCE WITH RESPIRATORY VENTILATION, 24-96 CONSECUTIVE HOURS, CONTINUOUS POSITIVE AIRWAY PRESSURE	0.970	736	relative claim charge (+0.26), n distinct rev codes (+0.23), icu (+0.19)
3E03317	INTRODUCTION OF OTHER THROMBOLYTIC INTO PERIPHERAL VEIN, PERCUTANEOUS APPROACH	0.911	711	n imaging lines (+0.41), icu (+0.36), n distinct rev codes (+0.26)
4A023N8	MEASUREMENT OF CARDIAC SAMPLING AND PRESSURE, BILATERAL, PERCUTANEOUS APPROACH	0.883	1324	relative claim charge (+0.35), n distinct rev codes (+0.28), icu (+0.21)
05HC33Z	INSERTION OF INFUSION DEVICE INTO LEFT BASILIC VEIN, PERCUTANEOUS APPROACH	0.867	517	length of stay (+0.42), multiple or days (+0.41), work rvu (-0.21)
0CJS8ZZ	INSPECTION OF LARYNX, VIA NATURAL OR ARTIFICIAL OPENING ENDOSCOPIC	0.674	1053	mechanical ventilation (+0.24), length of stay (+0.20), relative claim charge (+0.18)
0QB10ZZ	EXCISION OF SACRUM, OPEN APPROACH	0.653	804	length of stay (+0.66), organ system count (+0.41), transfusion (+0.19)
5A1D70Z	PERFORMANCE OF URINARY FILTRATION, INTERMITTENT, LESS THAN 6 HOURS PER DAY	0.637	9561	dialysis (+0.60), organ system count (+0.24), n j code lines (-0.14)

Tier 4 (n=47 codes)

code	Description	Score	N claims	Key drivers
3E033XZ	INTRODUCTION OF VASOPRESSOR INTO PERIPHERAL VEIN, PERCUTANEOUS APPROACH	3.271	2045	n j code lines (+0.57), icu (+0.42), multiple or days (+0.35)
5A0935A	ASSISTANCE WITH RESPIRATORY VENTILATION, LESS THAN 24 CONSECUTIVE HOURS, HIGH NASAL FLOW/VELOCITY	3.176	1226	n j code lines (+0.66), multiple or days (+0.58), icu (+0.37)
02RF08Z	REPLACEMENT OF AORTIC VALVE WITH ZOOPLASTIC TISSUE, OPEN APPROACH	3.154	540	multiple or days (+0.87), work rvu (+0.69), n j code lines (+0.56)
30233R1	TRANSFUSION OF NONAUTOLOGOUS PLATELETS INTO PERIPHERAL VEIN, PERCUTANEOUS APPROACH	3.022	1351	transfusion (+0.99), n distinct rev codes (+0.32), n j code lines (+0.31)
5A12012	PERFORMANCE OF CARDIAC OUTPUT, SINGLE, MANUAL	3.018	1059	mechanical ventilation (+0.61), icu (+0.42), n distinct rev codes (+0.37)
0D1B0Z4	BYPASS ILEUM TO CUTANEOUS, OPEN APPROACH	3.009	660	relative claim charge (+0.96), transfusion (+0.43), n j code lines (+0.40)
3E0G76Z	INTRODUCTION OF NUTRITIONAL SUBSTANCE INTO UPPER GI, VIA NATURAL OR ARTIFICIAL OPENING	3.001	2293	length of stay (+0.58), n j code lines (+0.42), mechanical ventilation (+0.35)
30233K1	TRANSFUSION OF NONAUTOLOGOUS FROZEN PLASMA INTO PERIPHERAL VEIN, PERCUTANEOUS APPROACH	2.957	1347	transfusion (+0.98), n distinct rev codes (+0.34), icu (+0.30)
0DH63UZ	INSERTION OF FEEDING DEVICE INTO STOMACH, PERCUTANEOUS APPROACH	2.838	1743	length of stay (+0.79), n distinct rev codes (+0.45), relative claim charge (+0.44)
B31R1ZZ	FLUOROSCOPY OF INTRACRANIAL ARTERIES USING LOW OSMOLAR CONTRAST	2.657	534	multiple or days (+0.61), n imaging lines (+0.53), icu (+0.52)

Tier 5 (n=15 codes)

code	Description	Score	N claims	Key drivers
5A1D90Z	PERFORMANCE OF URINARY FILTRATION, CONTINUOUS, GREATER THAN 18 HOURS PER DAY	7.129	627	n distinct rev codes (+0.86), relative claim charge (+0.78), n j code lines (+0.77)
0B9F8ZX	DRAINAGE OF RIGHT LOWER LUNG LOBE, VIA NATURAL OR ARTIFICIAL OPENING ENDOSCOPIC, DIAGNOSTIC	5.648	509	n j code lines (+0.95), relative claim charge (+0.77), mechanical ventilation (+0.62)
3E043XZ	INTRODUCTION OF VASOPRESSOR INTO CENTRAL VEIN, PERCUTANEOUS APPROACH	5.385	1345	n j code lines (+0.64), multiple or days (+0.61), icu (+0.52)
5A1955Z	RESPIRATORY VENTILATION, GREATER THAN 96 CONSECUTIVE HOURS	5.179	4214	mechanical ventilation (+1.29), relative claim charge (+0.92), length of stay (+0.79)
04HY32Z	INSERTION OF MONITORING DEVICE INTO LOWER ARTERY, PERCUTANEOUS APPROACH	4.923	555	relative claim charge (+0.97), n j code lines (+0.72), mechanical ventilation (+0.64)
4A133J1	MONITORING OF ARTERIAL PULSE, PERIPHERAL, PERCUTANEOUS APPROACH	4.637	1005	n j code lines (+0.91), multiple or days (+0.50), work rvu (+0.42)
4A10X4Z	MONITORING OF CENTRAL NERVOUS ELECTRICAL ACTIVITY, EXTERNAL APPROACH	4.487	1233	n imaging lines (+0.69), n j code lines (+0.66), n distinct rev codes (+0.56)
4A133B1	MONITORING OF ARTERIAL PRESSURE, PERIPHERAL, PERCUTANEOUS APPROACH	4.423	1388	n j code lines (+0.82), multiple or days (+0.51), work rvu (+0.49)
03HY32Z	INSERTION OF MONITORING DEVICE INTO UPPER ARTERY, PERCUTANEOUS APPROACH	4.170	3374	n j code lines (+0.66), multiple or days (+0.47), icu (+0.43)
0DH67UZ	INSERTION OF FEEDING DEVICE INTO STOMACH, VIA NATURAL OR ARTIFICIAL OPENING	4.151	764	n j code lines (+0.63), length of stay (+0.51), n distinct rev codes (+0.48)

Key Driver Frequency

feature	count	pct
n distinct rev codes	72	40.400
icu	70	39.300
n j code lines	65	36.500
relative claim charge	61	34.300
multiple or days	56	31.500
transfusion	55	30.900
length of stay	46	25.800
n imaging lines	31	17.400
work rvu	25	14.000
organ system count	23	12.900
mechanical ventilation	15	8.400
dialysis	9	5.100
or	5	2.800
n distinct hcps	1	0.600