Common Crosswalks for ICD-9 to ICD-10
Allergy, Asthma & Immunology
Ear, Nose and Throat
Understanding ICD-10 Codes
Unusual ICD-10 Codes
V97.33XD: Sucked into jet engine, subsequent encounter.
Y92.146: Swimming-pool of prison as the place of occurrence of the external cause.
S10.87XA: Other superficial bite of other specified part of neck, initial encounter.
W61.62XD: Struck by duck, subsequent encounter.
Y93.D: V91.07XD: Burn due to water-skis on fire, subsequent encounter.
Z63.1: Problems in relationship with in-laws.
W55.29XA: Other contact with cow, subsequent encounter.
W22.02XD: V95.43XS: Spacecraft collision injuring occupant, sequela.
W55.41XA: Bitten by pig, initial encounter.
ICD-10 Structure (3 – 7 Characters)
ICD-10-CM Tabular List of Disease and Injuries
- A00-B99 – Infectious diseases
- C00-D49 – Neoplasms
- D50-D89 – Blood & blood-forming organs
- E00-E89 – Endocrine
- F01-F99 – Mental
- G00-G99 – Nervous
- H00-H59 – Eyes
- H60-H95 – Ear
- I00-I99 – Circulatory
- J00-J99 – Respiratory
- K00-K95 – Digestive
- L00-L99 – Skin
- M00-M99 – Musculoskeletal
- N00-N99 – Genitourinary
- O00-O9A – Pregnancy & childbirth
- P00-P96 – Perinatal period
- Q00-Q99 – Congenital
- R00-R99 – Symptoms, signs etc.
- S00-T88 – Injury
- V00-Y99 – Morbidity & mortality
- Z00-Z99 – Health status
Example Overview of Specified Diagnosis Code
- ICD-10 CM – Diagnosis Codes
- Over 70,000 codes updated annually
- Highly structured
- 7 alphanumeric characters
- GEMs available on CMS’ website
- Example – S52.521A
S52 Fracture of forearm
S52.5 Fracture of lower end of radius
S52.52 Torus fracture of lower end of radius
S52.521 Torus fracture of lower
end of right radius
S52.521A Torus fracture of lower end of right
radius, initial encounter for closed fracture
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