Communicable Diseases
Communicable diseases are illnesses that can be spread from human to human or animal to human. The goal of this tracker is to provide insight into recent weekly and geographic trends in several common communicable diseases.
Communicable Diseases by State
Between 10/4/2026 and 10/17/2026
Trends Over Time
Select a condition or multiple conditions below to display the metrics for that condition.
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Communicable Disease Visits
During Week of 10/11
321
1.13k
1.52k
27.5
11.7
*
388
1.5k
17.3
*
Weekly rates of communicable disease diagnoses or positive labs per 100,000 patients with office visits, emergency department visits, and admissions.
* Missing points indicate sparse data.
Communicable Disease Office Visits
During Week of 10/11
209
1.05k
1.06k
20.7
*
*
173
1.45k
10.1
*
Weekly rates of communicable disease diagnoses or positive labs per 100,000 patients with office visits.
* Missing points indicate sparse data.
Communicable Disease Emergency Department Visits
During Week of 10/11
831
1.58k
3.71k
33.1
35.3
*
1.3k
1.77k
48.5
*
Weekly rates of communicable disease diagnoses or positive labs per 100,000 patients with emergency department visits.
* Missing points indicate sparse data.
Communicable Disease Admissions
During Week of 10/11
843
*
2.14k
498
460
*
2.53k
996
*
*
Weekly rates of communicable disease diagnoses or positive labs per 100,000 patients with admissions.
* Missing points indicate sparse data.
Positivity Rate for Communicable Disease Tests
During Week of 10/11
2.74%
5.08%
11.84%
19.18%
*
4.8%
16.82%
0.24%
*
Weekly percentage of communicable disease tests with a positive result.
* Missing points indicate sparse data.
Metric Definitions
- COVID-19 Diagnosis
- A diagnosis with an ICD-10-CM code of U07.1, U00, U49, U50, or J12.82.
- COVID-19 Lab
- A lab with one of the following LOINC codes: 96119-3, 94558-4, 97097-0, 95209-3, 102048-6, 101928-0, 101289-7, 96986-5, 94565-9, 95608-6, 94763-0, 94759-8, 94845-5, 96763-8, 96764-6, 95409-9, 94760-6, 94533-7, 95425-5, 94766-3, 94316-7, 94510-5, 97098-8, 98132-4, 98494-8, 94559-2, 95824-9, 94639-2, 96899-0, 94644-2, 94511-3, 98131-6, 98493-0, 94534-5, 96120-1, 96123-5, 96091-4, 94314-2, 94646-7, 94645-9, 94819-0, 95406-5, 96797-6, 94500-6, 94660-8, 94309-2, 96829-7, 94745-7, 94746-5, 96897-4, 94531-1, 95826-4, 94306-8, 94640-0, 96765-3, 94642-6, 94643-4, 100156-9, 96094-8, 98080-5, 96957-6, 95522-9, 95521-1, 96898-2, 97104-4, 94767-1, 94641-8, 96900-6, 96448-6, 94756-4, 94307-6, 94311-8, 96958-4, 94757-2, 94308-4, 94312-6, 94822-4, 95424-8, 96741-4, 95609-4, 95970-0, 104451-0, 60275-5, 60534-5, 41458-1, 94647-5, 94758-0, 96121-9, 96122-7, 95823-1, 94765-5, 94315-9, 94509-7, 94310-0, 94313-4, 94502-2, 96896-6, 96895-8, 96894-1, 99314-7, 96752-1, 96751-3, 96756-2, 96757-0, 103557-5, 94764-8, 100157-7, 77106-3, or 77107-1.
- Influenza Diagnosis
- A diagnosis with an ICD-10-CM code of J09*, J10*, or J11*.
- Influenza Lab
- A lab with one of the following LOINC codes: 86318-3, 85821-7, 85802-7, 85803-5, 85804-3, 85805-0, 85801-9, 23102-7, 23104-3, 44564-3, 15472-4, 44575-9, 46082-4, 46083-2, 5860-2, 6435-2, 5864-4, 6439-4, 5862-8, 6437-8, 5866-9, 6441-0, 80381-7, 72366-8, 72356-9, 72367-6, 80382-5, 80383-3, 72365-0, 61102-0, 77383-8, 77384-6, 44559-3, 44572-6, 49529-1, 50701-2, 49522-6, 49534-1, 44560-1, 44573-4, 44558-5, 44571-8, 88904-8, 88905-5, 5861-0, 6436-0, 5865-1, 6440-2, 86565-9, 23781-8, 88194-6, 44561-9, 44574-2, 5863-6, 6438-6, 6442-8, 5867-7, 29721-8, 22828-8, 22825-4, 23769-3, 23782-6, 31821-2, 31822-0, 31823-8, 50697-2, 44562-7, 44563-5, 43874-7, 31858-4, 31859-2, 44566-8, 44567-6, 33535-6, 31860-0, 24015-0, 31861-8, 31862-6, 54240-7, 44576-7, 54241-5, 44577-5, 43895-2, 31863-4, 31864-2, 31865-9, 88200-1, 88568-1, 91772-4, 6602-7, 6601-9, 6603-5, 6604-3, 48310-7, 94600-4, 38382-8, 80204-1, 49538-2, 85535-3, 54242-3, 54244-9, 100973-7, 100974-5, 82168-6, 82166-0, 82167-8, 82169-4, 82170-2, 92977-8, 92976-0, 101293-9, 101292-1, 101294-7, 101295-4, 90455-7, 90456-5, 81233-9, 88601-0, 92882-0, 90457-3, 55466-7, 97733-0, 44264-0, 44265-7, 44266-5, 56024-3, 44263-2, 59424-2, 59423-4, 60494-2, 53250-7, 53251-5, 88187-0, 55133-3, 49537-4, 95423-0, 91072-9, 91771-6, 82461-5, 22827-0, 48509-4, 39102-9, 39103-7, 55463-4, 74784-0, 51668-2, 62493-2, 76077-7, 76079-3, 88193-8, 88195-3, 86568-3, 86571-7, 49526-7, 60530-3, 49531-7, 49520-0, 49523-4, 49527-5, 50700-4, 49535-8, 60267-2, 76078-5, 77028-9, 77026-3, 77027-1, 80588-7, 80589-5, 80590-3, 76080-1, 80591-1, 88600-2, 88596-2, 92142-9, 101423-2, 101424-0, 101983-5, 81428-5, 92141-1, 94395-1, 94396-9, 94394-4, 88599-6, 88592-1, 92809-3, 92808-5, 85477-8, 85478-6, 100344-1, 100343-3, 86569-1, 86572-5, 55465-9, 38381-0, 49521-8, 57985-4, 49524-2, 44795-3, 38272-1, 68986-9, 68987-7, 38271-3, 38270-5, 49528-3, 99623-1, 34487-9, 55464-2, 62462-7, 60538-6, 95658-1, 103787-8, 40982-1, 62860-2, 74785-7, 74786-5, 81305-5, 81308-9, 81307-1, 81309-7, 81327-9, 81325-3, 86317-5, 74038-1, 74039-9, 77605-4, 74040-7, 88835-4, 90886-3, 85526-2, 90885-5, 81320-4, 81321-2, 74787-3, 40981-3, 54243-1, 87715-9, 39025-2, 87714-2, 87716-7, 61101-2, 93762-3, 93763-1, 93761-5, 93760-7, 93759-9, 50706-1, or 85532-0.
- Respiratory Syncytial Virus (RSV) Diagnosis
- A diagnosis with an ICD-10-CM code of J12.1, J20.5, J21.0, or B97.4.
- Respiratory Syncytial Virus (RSV) Lab
- A lab with one of the following LOINC codes: 14129-1, 17520-8, 55100-2, 88527-7, 91782-3, 91785-6, 101425-7, 77022-2, 88595-4, 91795-5, 101426-5, 77023-0, 88597-0, 91794-8, 101298-8, 76088-4, 76089-2, 82176-9, 85479-4, 91133-9, 92131-2, 92957-0, 30075-6, 80597-8, 88204-3, 80598-6, 88202-7, 30076-4, 40987-0, 88528-5, 60271-4, 40988-8, 31949-1, 31950-9, 32040-8, 33045-6, 50329-2, 5874-3, 5875-0, 5876-8, 5877-6, 68966-1, 72885-7, 77389-5, 77390-3, or 88909-7.
- Hand Foot and Mouth Diagnosis
- A diagnosis with an ICD-10-CM code of B08.4.
- Mono Diagnosis
- A diagnosis with an ICD-10-CM code of B27*.
- Mono Lab
- A lab with one of the following LOINC codes: 6424-6, 31418-7, 5213-4, 11610-3, 69420-8, 6425-3, 5215-9, 12221-8, 43020-7, 5216-7, 5157-3, 5159-9, 7885-7, 7886-5, 24114-1, 24115-8, 30339-6, 30340-4, 5158-1, 33395-5, 5160-7, 20491-7, 40751-0, 9633-9, or 24316-2.
- Norovirus Diagnosis
- A diagnosis with an ICD-10-CM code of A08.11.
- Norovirus Lab
- A lab with one of the following LOINC codes: 104435-3, 40863-3, 49117-5, 104434-6, 80375-9, 76628-7, 90449-0, 92692-3, 82211-4, 90288-2, 54905-5, 54906-3, 90289-0, 79388-5, 41035-7, 97525-0, 97532-6, 60427-2, 7974-9, 90287-4, 56748-7, 88701-8, 10696-3, or 7973-1.
- Rotavirus Diagnosis
- A diagnosis with an ICD-10-CM code of A08.0.
- Rotavirus Lab
- A lab with one of the following LOINC codes: 17547-1, 5879-2, 5880-0, 86199-7, 72174-6, 86217-7, 6547-4, 86689-7, 86688-9, 8011-9, 71702-5, 71701-7, 86697-0, 86696-2, 86699-6, 8012-7, 17548-9, 71759-5, 71700-9, 60273-0, 92693-1, 101560-1, 101561-9, 62859-4, 79389-3, 82212-2, 86692-1, 86701-0, 80675-2, 86691-3, 86702-8, 86690-5, 86700-2, 71761-1, 71760-3, 87713-4, 87712-6, 87711-8, or 87710-0.
- Positivity Rate
- The number of positive tests over the number of positive or negative tests.
- Pertussis Diagnosis
- A diagnosis with an ICD-10-CM code of A37*.
- Pertussis Lab
- A lab with one of the following LOINC codes: 101284-8, 13916-2, 23826-1, 29723-4, 31736-2, 38198-8, 42588-4, 43909-1, 43913-3, 43925-7, 549-6, 550-4, 62427-0, 62428-8, 6317-2, 63431-1, 80599-4, 80600-0, 80601-8, 82179-3, 86325-8, 87621-9, 88576-4, 91815-1, 91816-9, 92128-8, 92129-6, 94392-8 , 94478-5, 96962-6, 97186-1, 91867-2,91840-9, 91817-7, 86326-6, 43879-6, 56636-4, 38197-0, 105876-7, 105616-7, 91868-0, 105609-2, 92855-6, 92856-4, 86327-4, 48741-3, 548-8, 43890-3, 43896-0, 9364-1, 29673-1, 25332-8, 42329-3, 29658-2, 69368-9, 25353-4, 31737-0, 43891-1, 105875-9, 105615-9, 91869-8, 94365-4, 23829-5, 43882-0, 24035-8, 23832-9, 24129-9, 85360-6, 92857-2, 92858-0, 85799-5, 91870-6, 91839-1, 91814-4, 43360-7, 88583-0, 91871-4, 91838-3, 91813-6, 91872-2, 88582-2, 91777-3, or 91775-7.
- Measles Diagnosis
- A diagnosis with an ICD-10-CM code of B05*, excluding encounters where a patient received a negative measles lab result and no other positive measles lab result.
- Measles Lab
- A lab with one of the following LOINC codes: 25421-9, 35276-5, 21503-8, 7963-2, 13283-7, 48508-6, 91077-8, 86577-4, 74417-7, or 7964-0.
