Rheumatology

What they do most for Medicare patients

Service, sort	Code, sort	Times billed, sort	Patients, sort
Blood potassium level	84132	6,849	3,968
Infusion into a vein for therapy, prevention, or diagnosis, additional sequential infusion, 1 hour or less	96367	6,864	1,658
Aspiration and/or injection of fluid from medium joint	20605	6,943	4,953
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	99223	6,998	6,657
Calculation of trabecular bone score (tbs) using imaging data with interpretation and report on fracture risk	77089	7,016	7,007
Rheumatoid factor analysis	86430	7,089	4,972
X-ray of wrist, minimum of 3 views	73110	7,293	4,078
Measurement c-reactive protein for detection of infection or inflammation, high sensitivity	86141	7,420	3,619
Telephone medical discussion with physician, 21-30 minutes	99443	7,616	6,030
Folic acid level, serum	82746	7,636	4,981
Measure of severe acute respiratory syndrome coronavirus 2 (covid-19) antibody	86769	7,667	3,018
Injection of drug or substance into vein	96374	7,720	3,028
Bilirubin level, direct	82248	8,079	4,551
Thyroxine (thyroid chemical), free	84439	8,173	5,822
Iron binding capacity	83550	8,294	5,525
Urinalysis, manual test	81002	8,416	5,087
Glutamyltransferase (liver enzyme) level	82977	8,424	4,203
Blood test, lipids (cholesterol and triglycerides)	80061	8,466	5,904
Bilirubin level, total	82247	8,646	4,897
Iron level	83540	8,843	5,926
X-ray of knee, 3 views	73562	9,019	5,518
Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes	97110	9,163	979
Limited ultrasound scan of joint or other extremity structure except blood vessels	76882	9,288	5,216
Injection of trigger points, 1-2 muscles	20552	9,493	6,128
X-ray of lower and sacral spine, 2-3 views	72100	9,502	9,141
Telephone medical discussion with physician, 11-20 minutes	99442	9,752	7,270
Ferritin (blood protein) level	82728	9,797	6,543
Lactate dehydrogenase (enzyme) level	83615	9,821	4,305
X-ray of foot, 2 views	73620	9,822	5,139
Automated urinalysis test	81003	9,841	6,883
Tuberculosis test, gamma interferon	86480	9,911	9,687
X-ray of knee, 1-2 views	73560	10,631	6,137
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	99233	11,445	5,107
Cyanocobalamin (vitamin b-12) level	82607	11,602	7,932
Ultrasonic guidance for needle placement	76942	11,815	5,981
X-ray of shoulder, minimum of 2 views	73030	12,583	8,166
Professional service for preparation and provision of 1 or more antigens	95165	13,471	396
Measurement of dna antibody, single stranded	86226	13,529	11,700
Parathormone (parathyroid hormone) level	83970	13,679	10,059
Manual urinalysis test with examination using microscope, automated	81001	14,273	10,338
Phosphatase (enzyme) level, alkaline	84075	14,828	8,776
Magnesium level	83735	14,898	8,608
Dxa bone density measurement of hip, pelvis, spine including spine fracture assessment	77085	15,144	15,125
Beta 2 glycoprotein 1 antibody (autoantibody) measurement	86146	15,444	4,237
Administration of influenza virus vaccine	G0008	15,591	15,503
New patient office or other outpatient visit, 30-44 minutes	99203	16,144	16,143
Cardiolipin antibody (tissue antibody) measurement	86147	16,196	4,969
Infusion into a vein for therapy, prevention, or diagnosis, each additional hour	96366	16,367	2,787
Injection into tendon or ligament	20550	17,303	9,956
Test for allergy using allergenic extract	95004	17,410	225
Aspiration and/or injection of fluid from small joint	20600	17,861	11,022
X-ray of foot, minimum of 3 views	73630	18,314	9,861
Blood test, basic group of blood chemicals (calcium, total)	80048	18,542	10,926
Screening test for autoimmune disorder	86038	18,612	15,420
Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month	99490	19,278	6,405
Blood test, thyroid stimulating hormone (tsh)	84443	19,870	16,019
Phosphate level	84100	19,999	11,486
Complete blood cell count (red cells, white blood cell, platelets), automated test	85027	20,100	10,497
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	99232	20,175	8,168
Urea nitrogen level to assess kidney function, quantitative	84520	20,766	11,659
Established patient office or other outpatient visit, 10-19 minutes	99212	21,644	11,279
Gammaglobulin (immune system protein) measurement	82784	23,053	4,601
Calcium level, total	82310	26,749	18,549
X-ray of hand, 2 views	73120	26,927	14,381
Measurement of dna antibody, native or double stranded	86225	29,444	23,365
Rheumatoid factor level	86431	31,878	28,456
Measurement of antibody for rheumatoid arthritis assessment	86200	31,965	28,012
X-ray of hand, minimum of 3 views	73130	32,761	17,902
Analysis of substance using immunoassay technique, multiple step method	83516	34,300	14,511
Complete ultrasound scan of joint	76881	36,458	17,173
Creatine kinase (cardiac enzyme) level, total	82550	40,850	24,609
Albumin (protein) level	82040	42,171	21,802
Liver function blood test panel	80076	44,729	21,820
Aspiration and/or injection of fluid large joint using ultrasound guidance	20611	51,220	22,619
Measurement of complement (immune system proteins), antigen,	86160	51,398	19,760
Liver enzyme (sgpt), level	84460	58,389	29,880
Liver enzyme (sgot), level	84450	58,853	30,239
Uric acid level, blood	84550	59,612	36,173
New patient office or other outpatient visit, 60-74 minutes	99205	72,146	72,142
Injection of additional new drug or substance into vein	96375	73,239	16,943
Vitamin d-3 level	82306	73,383	59,183
Dxa bone density measurement of hip, pelvis, spine	77080	91,493	91,346
Blood creatinine level	82565	99,632	51,404
Red blood cell sedimentation rate, to detect inflammation, non-automated	85651	105,184	51,864
Aspiration and/or injection of fluid from large joint	20610	151,700	78,087
Administration of chemotherapy into vein, each additional hour	96415	176,039	36,423
Red blood cell sedimentation rate, to detect inflammation, automated	85652	183,478	93,908
New patient office or other outpatient visit, 45-59 minutes	99204	186,044	186,032
Measurement of antibody for assessment of autoimmune disorder, any method	86235	193,311	24,523
Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less	96365	198,594	64,119
Established patient office or other outpatient visit, 40-54 minutes	99215	210,471	139,922
Blood test, comprehensive group of blood chemicals	80053	220,640	113,110
Measurement c-reactive protein for detection of infection or inflammation	86140	251,435	125,704
Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle	96401	328,039	80,347
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	85025	334,355	161,431
Injection of drug or substance under skin or into muscle	96372	336,871	128,673
Administration of chemotherapy into vein, 1 hour or less	96413	369,242	91,246
Established patient office or other outpatient visit, 20-29 minutes	99213	478,715	299,099
Insertion of needle into vein for collection of blood sample	36415	486,094	249,025
Established patient office or other outpatient visit, 30-39 minutes	99214	1,865,157	925,625

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Sources: Medicare Care Compare (hospitals and schools; Medicare-enrolled clinicians), CMS Medicare Physician & Other Practitioners 2023 (services), Medicare Part D Prescribers 2024 (drugs).