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Blog   |   2.18.16

10 ICD-10 Codes That Influenced Harry Potter

Harry Potter ICD-10 Codes

In honor of Alan Rickman’s passing, we thought it appropriate to celebrate his talented turn as Hogwarts Potions Master Severus Snape. Here are 10 ICD-10 diagnoses that influenced the magical world of Harry Potter.

H43.39, Other vitreous opacities

In The Order of the Phoenix, Dudley Dursley punches Harry in the side of the head and small white lights pop in front of Harry’s eyes.


T84.01, Broken internal joint prosthesis

In The Chamber of Secrets, Dobby bewitches a Bludger to attack Harry, and it ends up breaking his arm.


L90.5, Scar conditions and fibrosis of skin

In The Sorcerer’s Stone, Harry receives a scar on his forehead in the shape of a lightning bolt as a result of a failed murder attempt by Lord Voldemort.


Q38.3, tongue, congenital (to gum or roof of mouth)

In The Half-Blood Prince, Harry locks the poltergeist Peeves’ tongue to the top of his mouth.

harry with sword

S07.0XXS, Crushing injury of face, sequela

In The Prisoner of Azkaban, Hermione punches Draco Malfoy in the face.


S83.3, Sprain of other specified parts of knee

In The Prisoner of Azkaban, Ron Weasley gets whacked by the Whomping Willow.


M01.X4, Direct infection of hand in infectious and parasitic diseases

In The Goblet of Fire, Harry, Ron and Hermione encounter scrofungulus (a contagious infection caused by magical bug) on a visit to the Magical Bugs Section of St Mungo’s Hospital for Magical Maladies and Injuries.

magical maladies

S68.1, Traumatic metacarpophalangeal amputation of other and unspecified finger

In The Prisoner of Azkaban, Peter Pettigrew loses a finger in the shrieking shack.


R09.89, Choking sensation

In The Sorcerer’s Stone, Harry catches the snitch in his mouth while playing Quidditch and nearly chokes.


W54.0XXA, Bitten by dog, initial encounter

In The Sorcerer’s Stone, Snape’s leg is bitten by Hagrid’s three headed dog, Fluffy.


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Jamie Urborg