ICD-10-CM: PRL Training Session 5

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External Cause Codes

• Remember they have their own index located after the table of drugs & chemicals, right before the tabular.

• How, place of occurrence & activity will be found here.

• Are used for injury coding. • Are not mandatory for NYS.

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Coding Examples1. Presents to ER with left knee pain after falling off a dock at the beach

today. Feels he twisted his knee and now has a hard time bearing weight. Diagnosed with buckle handle tear of medial meniscus.

• When did this happen? ________________• Where did this happen? ________________• How did this happen? _________________• Laterality? ______________

• ICD-10 code(s) ___________________________________

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Coding Examples

2. 10 year old visiting Uncle’s farm this weekend. Was in the pasture with the pigs when a playful one came up behind and butted the child. She fell on right elbow. After x-rays, was diagnosed with closed Salter Harris III fracture of the physeal radius.*Hint- elbow is considered your upper end of radius. Consider pasture a field.

-When? __________-Where? _________-How? __________-Laterality? __________

-ICD-10 code(s) ______________________________

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Coding Examples

3. Vitamin B12 Deficiency anemia, NOS.ICD-10 code _______________

4. Mixed Hyperlipidemia, idiopathic hypertension, long term use of warfarin*

ICD-10 code(s) ______________

*Hint- warfarin is an anticoagulant

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Coding Examples

5. Left Carpal Tunnel SyndromeICD-10 code _____________

6. Bone on bone primary osteoarthritis of bilateral hipsICD-10 code _____________

7. Secondary osteoarthritis of left elbow & primary osteoarthritis of right shoulder

ICD-10 code(s) ____________

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Coding Examples

8. 7 year old comes in for routine child exam. No abnormal findings.

ICD-10 code ___________

9. Diverticulitis of small intestine, no bleeding & no abscess.ICD-10 code ___________

10. Lumbar disc stenosis of the intervertebral foraminaICD-10 code ___________

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Answers1. Today, beach, fall off dock, left. S83.212A, W17.4XXA, Y92.8322. Weekend, farm, butted by pig, right, S59.131A, W55.42XA, Y92.733. D51.94. E78.2, I10, Z79.015. G56.026. M16.07. M19.222, M19.0118. Z00.1299. K57.1210. M99.73

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