Pregnancy codes: 4th and 5th digits - 4the digit - information about complications;
5th digit - episode of care
Antepartum (Near-term) vs. Postpartum (Puerperium) - From conception to childbirth
vs.
From right after delivery to 6 weeks after (42 days)
Use of V22.2, Pregnant state incidental - When the encounter is for a condition totally unrelated to
pregnancy and MD says so, code the condition for encounter first, followed by V22.2 as add-on
Coding COPD with Acute bronchitis vs. COPD with Acute exacerbation - 491.22
vs.
491.21
Coding Acute renal failure & HTN vs. Chronic renal failure & HTN - Coded separately
vs.
403, Hypertensive renal failure
Category 800 - Assigned only to Acute trauma, NOT chronic (e.g. Chronic pain in knee with catching =
code 717.43)
HTN is classified - By type (Primary/ Secondary);
By nature (Benign, Malignant, or Unspecified)
Why do I need to review a whole MR? - To ensure complete and accurate coding
4 elements of ICD-9 - 1) Dzs;
, 2) Injuries;
3) Surgeries;
4) Procedures
Since when does CMS requires to report POA? - October, 2007
Who develops ICD-10-PCS? - 3M
Who develops ICD-10-CM? - NCHS (National Center for Health Statistics)
What are E-codes used for? - To identify the external cause of injury or poisoning
What are 2 supplementary classifications in ICD-9? - V-codes;
E-codes
Define "Late effect" - Residual condition that remains after the termination of the acute phase of an
illness or injury
What's "dual" classification? - Assignment of 2 codes to provide info about a Sx & an underlying
condition
NEC vs. NOS - Not Elsewhere Classified: there's no > specific code for the condition (even if MR is >
specific). 5th digit 8
vs.
Not Otherwise Specified (in Tabular only) = Unspecified: MR doesn't have > specific info. 5th digit is 9
Where are HTN & Neoplasm tables? - Volume 2: Alphabetical index of Dzs & Injuries
3 volumes of ICD-9 - Volume 1: Tabular list of Dzs & Injuries;
Volume 2: Alphabetical index of Dzs & Injuries;