Table B.2b. Medicare beneficiary prevalence* for other chronic or disabling conditions** using fee-for-service (FFS) claims, 2010–2019
Totals	2019 numerator	2019	2018 numerator	2018	2017 numerator	2017	2016 numerator	2016	2015 numerator	2015
Total denominator†	31,860,990		32,184,841		32,483,529		32607998		32,179,757
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Other chronic or disabling condition**	2019 numerator‡	2019 Prev Rate	2018 numerator‡	2018 Prev Rate	2017 numerator‡	2017 Prev Rate	2016 numerator‡	2016 Prev Rate	2015 numerator‡	2015 Prev Rate
Fibromyalgia, chronic pain, and fatigue	7,354,751	23.10%	7,258,130	22.60%	6,969,392	21.50%	6,045,548	18.50%	4,671,360	14.50%
Obesity	6,701,715	21.00%	6,559,576	20.40%	5,870,290	18.10%	5,018,550	15.40%	4,126,007	12.80%
Anxiety disorders	5,972,803	18.70%	5,848,948	18.20%	5,666,004	17.40%	5,346,168	16.40%	4,814,382	15.00%
Depressive disorders	5,700,967	17.90%	5,642,672	17.50%	5,533,939	17.00%	5,516,712	16.90%	5,425,067	16.90%
Peripheral vascular disease (PVD)	4,161,955	13.10%	4,120,466	12.80%	4,113,394	12.70%	4,116,589	12.60%	3,907,849	12.10%
Tobacco use	3,137,763	9.80%	3,213,846	10.00%	3,031,387	9.30%	2,779,411	8.50%	2,761,652	8.60%
Sensory — deafness and hearing impairment	1,997,233	6.30%	1,916,241	6.00%	1,828,861	5.60%	1,752,465	5.40%	1,657,088	5.10%
Liver disease, cirrhosis and other liver conditions, except hepatitis	1,647,361	5.20%	1,581,811	4.90%	1,507,103	4.60%	1,393,667	4.30%	1,254,941	3.90%
Pressure and chronic ulcers	1,503,293	4.70%	1,506,601	4.70%	1,508,930	4.60%	1,545,166	4.70%	1,565,032	4.90%
Drug use disorders	1,177,261	3.70%	1,165,375	3.60%	1,132,782	3.50%	1,020,399	3.10%	818,499	2.50%
Bipolar disorder	1,126,617	3.50%	1,138,082	3.50%	1,140,178	3.50%	1,155,688	3.50%	1,124,472	3.50%
Migraine and chronic headache	1,112,246	3.50%	1,075,914	3.30%	1,033,856	3.20%	936,146	2.90%	780,849	2.40%
Mobility impairments	959,343	3.00%	969,610	3.00%	977,167	3.00%	943,326	2.90%	873,355	2.70%
Schizophrenia and other psychotic disorders	940,228	3.00%	987,563	3.10%	1,030,212	3.20%	1,151,629	3.50%	1,281,148	4.00%
Epilepsy	894,409	2.80%	906,696	2.80%	909,836	2.80%	893,338	2.70%	848,574	2.60%
Opioid use disorder	763,502	2.40%	778,761	2.40%	783,882	2.40%	680,267	2.10%	484,905	1.50%
Alcohol use disorders	681,687	2.10%	687,561	2.10%	739,505	2.30%	797,387	2.40%	698,051	2.20%
Leukemias and lymphomas	569,515	1.80%	559,932	1.70%	551,245	1.70%	534,535	1.60%	490,255	1.50%
Schizophrenia	573,787	1.80%	596,169	1.90%	610,488	1.90%	617,969	1.90%	604,093	1.90%
Personality disorders	486,044	1.50%	502,527	1.60%	516,426	1.60%	443,707	1.40%	257,830	0.80%
Post-traumatic stress disorder (PTSD)	439,409	1.40%	420,994	1.30%	397,069	1.20%	373,316	1.10%	332,636	1.00%
Viral hepatitis (general)	371,130	1.20%	398,665	1.20%	417,015	1.30%	418,630	1.30%	398,504	1.20%
ADHD, conduct disorders, and hyperkinetic syndrome	347,061	1.10%	340,277	1.10%	328,301	1.00%	333,252	1.00%	317,658	1.00%
Intellectual disabilities and related conditions	350,938	1.10%	356,057	1.10%	355,445	1.10%	353,970	1.10%	342,665	1.10%
Cystic fibrosis and other metabolic developmental disorders	303,244	1.00%	294,437	0.90%	281,760	0.90%	260,333	0.80%	209,847	0.70%
Spinal cord injury	243,131	0.80%	241,114	0.70%	246,624	0.80%	206,000	0.60%	118,350	0.40%
Multiple sclerosis and transverse myelitis	191,762	0.60%	193,738	0.60%	194,724	0.60%	192,281	0.60%	185,538	0.60%
Sensory — blindness and visual impairment	146,426	0.50%	170,617	0.50%	205,415	0.60%	235,727	0.70%	264,081	0.80%
Traumatic brain injury and nonpsychotic mental disorders due to brain damage	148,476	0.50%	150,209	0.50%	150,098	0.50%	149,500	0.50%	142,457	0.40%
Cerebral palsy	116,665	0.40%	117,123	0.40%	116,529	0.40%	114,630	0.40%	110,363	0.30%
Autism spectrum disorders	92,751	0.30%	85,325	0.30%	78,205	0.20%	71,621	0.20%	62,340	0.20%
Human immunodeficiency virus and/or acquired immunodeficiency syndrome (HIV/AIDS)	110,434	0.30%	115,415	0.40%	119,574	0.40%	121,653	0.40%	120,572	0.40%
Learning disabilities	80,590	0.30%	77,321	0.20%	73,427	0.20%	59,366	0.20%	37,350	0.10%
Spina bifida and  other congenital anomalies of the nervous system	52,764	0.20%	49,427	0.20%	48,928	0.20%	50,979	0.20%	51,010	0.20%
Muscular dystrophy	21,341	0.10%	22,016	0.10%	22,567	0.10%	21,991	0.10%	19,466	0.10%
Other developmental delays	43,574	0.10%	41,690	0.10%	40,021	0.10%	43,419	0.10%	44,281	0.10%
Sickle cell disease	12,723	0.04%	13,283	0.04%	13,813	0.04%	14,187	0.04%	14,139	0.04%
Viral hepatitis (general)	371,130	1.20%	398,665	1.20%	417,015	1.30%	418,630	1.30%	398,504	1.20%
* Includes all Medicare beneficiaries who were eligible for or enrolled in Medicare on or after January 1, YYYY. The Chronic Conditions Warehouse (CCW) team calculates period prevalence for these rates: beneficiaries with full or nearly full FFS coverage during the year who had claim(s) for the condition within the condition-specified lookback period (chronic conditions have a one- to five-year look-back period). Refer to the CCW website for more information, including algorithms, for these other chronic or disabling conditions.
** The CCW team may have counted beneficiaries in more than one chronic condition category.
† Denominator: Includes beneficiaries with full or nearly full FFS coverage (i.e., 11 or 12 months of Medicare Parts A and B [or coverage until time of death] and one month or less of health maintenance organization [HMO] coverage)
‡ The CCW team defines numerator as evidence of claims for the condition
NOTE: The application of different Medicare coverage restrictions/criteria will impact the size of these samples