AHA Central Office Blog

The AHA Central Office blog shares thought leadership, insights, trends, and the latest information on ICD-10-CM/PCS and HCPCS medical coding.

Recent Blog Posts

Happy national medical coder day
AHA Central Office |

National Medical Coder Day; May 23; medical coding; ICD-10; ICD-10-CM; ICD-10-PCS; HCPCS

May 23, 2026: National Medical Coder Day

Did you know? National Medical Coder Day is May 23, 2026! This day is observed every year on May 23 to celebrate the work and dedication of medical co...
Skeleton with osteitis deformans
AHA Central Office |

ICD-10-CM; James Paget; Paget's disease of bone; pathological fracture; musculoskeletal system

What is Paget’s disease of bone?

May is Osteoporosis Awareness & Prevention Month! Osteoporosis is a systemic condition that affects all bones of the musculoskeletal system. In os...

All Blog Posts

Samuel Pickwick illustration
AHA Central Office

Pickwickean Syndrome; World Obesity Day; ICD-10-CM; The Pickwick Papers; Charles Dickens

What is Pickwickean Syndrome?

3 min readMost eponymous diseases are named after the person who first described the condition: think Addison disease, Huntington’s disease, and Alzhe...
Female doctor looking through microscope
AHA Central Office

ICD-10-CM; ICD-11; rare diseases; ORPHAnet; ORPHAcodes; NORD; OMIM; Mondo Disease Ontology

What are rare diseases? How are they classified in ICD-10-CM?

8 min readSince Rare Disease Day is February 28, we wanted to explore what qualifies as a rare disease and how rare diseases are classified in ICD-10-...
Side view of human eye
AHA Central Office

ICD-10-CM; glaucoma; Glaucoma Awareness Month; medical coding

How is glaucoma coded?

4 min readJanuary is Glaucoma Awareness Month! Read more to learn about this disease and how it is classified in ICD-10-CM.What is glaucoma?Glaucoma i...