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ICD-10-PCS Coding Exam Questions and
Answers 100% Pass
What is NEC? - ANS Not elsewhere classified
Explain the structure of an ICD-10-PCS code. - ANS Each code is always 7 digits. Can be
numerical or alphabetical. "Z" is reserved for a place holder value. Contains characters for:
1) Section
2) Body System
3) Root Operation
4) Body Part
5) Approach
6) Device
7) Qualifier
What is significant about the letters "O" & "I" in ICD-10-PCS coding? - ANS Neither of these
letters will EVER be used in a code. It is to ensure that they are not mistaken for "L" or "1"
How many "Body System" characters are listed in ICD-10-PCS codes? - ANS 31 in total in the
Medical & Surgical Section
How many "Section" characters are represented in ICD-10-PCS codes? - ANS 17 total sections
with Medical & Surgical being the largest by far. of these 9 are considered "Medical & Surgical
related"
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What is Root Operation? - ANS This describes the objective of the procedure.
How many Root Operations exist in ICD-10-PCS coding? - ANS 31
There are 9 "groups" of what based on common attributes in ICD-10-PCS coding? - ANS "root
operations"
Define root operation "Alteration" - ANS Modifying the anatomical structure of a body part
without affecting the function of the body part.
Define root operation "Bypass" - ANS Altering the route of passage of the contents of a
tubular body part
Define root operation "Change" - ANS Taking out or off a device from a body part and
putting back an identical or similar device in or on the same body part without cutting or
puncturing the skin or a mucous membrane.
Define root operation "Control" - ANS Stopping or attempting to stop, postprocedural or
other acute bleeding.
Define root operation "Creation" - ANS Putting in or on biological or synthetic material to
form a new body part that to the extent possible replicates the anatomic structure of function
on an absent body part.
Define root operation "Destruction" - ANS Eradicating all or a portion of a body part by the
use of energy, force, or a destructive agent
Define root operation "Detachment" - ANS Cutting of all or a portion of an extremity.
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Define root operation "Dilation" - ANS Expanding an orifice or the lumen of a tubular body
part
Define root operation "Division" - ANS Separating, without taking out, a body part
Define root operation "Drainage" - ANS Taking or letting out fluids and/or gases from a body
part.
Define root operation "Excision" - ANS Cutting out of off, without replacement, a portion of a
body part.
Define root operation "Extirpation" - ANS Pulling or stripping out or off all or a portion of a
body part by the use of force
Define root operation "Extraction" - ANS Pulling or stripping out or off all or a portion of a
body party by the use of force.
Define root operation "Fragmentation" - ANS Breaking solid matter in a body part into pieces
Define root operation "Fusion" - ANS Joining together portions of an articular body part
rendering the articular body part immobile
Define root operation "Insertion" - ANS Putting in a nonbiological device that monitors,
assists, performs, or prevents a physiological function but does not physically take the place of
a body part
Define root operation "Inspection" - ANS Visually and/or manually exploring a body part
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Define root operation "Map" - ANS Locating the route of passage of electrical impulses
and/or locating functional areas in a body part
Define root operation "Occlusion" - ANS Completely closing an orifice or the lumen of a
tubular body part
Define root operation "Reattachment" - ANS Putting back in or on all or a portion of a
separated body part to its normal location or other suitable location
Define root operation "Release" - ANS Freeing a body part from an abnormal physical
constraint by cutting or by use of force
Define root operation "Removal" - ANS Taking out or off a device from a body part
Define root operation "Repair" - ANS Restoring, to the extent possible, a body part to its
normal anatomical structure and function
Define root operation "Replacement" - ANS Putting in or on biological or synthetic material
that physically takes the place of all or a portion of a body part
Define root operation "Reposition" - ANS Moving to its normal location or other suitable
location all or a portion of a body part
Define root operation "Resection" - ANS Cutting out or off, without replacement, all of a
body part
Define root operation "Restriction" - ANS Partially closing an orifice or the lumen of a tubular
body part
ICD-10-PCS Coding Exam Questions and
Answers 100% Pass
What is NEC? - ANS Not elsewhere classified
Explain the structure of an ICD-10-PCS code. - ANS Each code is always 7 digits. Can be
numerical or alphabetical. "Z" is reserved for a place holder value. Contains characters for:
1) Section
2) Body System
3) Root Operation
4) Body Part
5) Approach
6) Device
7) Qualifier
What is significant about the letters "O" & "I" in ICD-10-PCS coding? - ANS Neither of these
letters will EVER be used in a code. It is to ensure that they are not mistaken for "L" or "1"
How many "Body System" characters are listed in ICD-10-PCS codes? - ANS 31 in total in the
Medical & Surgical Section
How many "Section" characters are represented in ICD-10-PCS codes? - ANS 17 total sections
with Medical & Surgical being the largest by far. of these 9 are considered "Medical & Surgical
related"
, ©THESTAR 2025 ALL RIGHTS RESERVED
What is Root Operation? - ANS This describes the objective of the procedure.
How many Root Operations exist in ICD-10-PCS coding? - ANS 31
There are 9 "groups" of what based on common attributes in ICD-10-PCS coding? - ANS "root
operations"
Define root operation "Alteration" - ANS Modifying the anatomical structure of a body part
without affecting the function of the body part.
Define root operation "Bypass" - ANS Altering the route of passage of the contents of a
tubular body part
Define root operation "Change" - ANS Taking out or off a device from a body part and
putting back an identical or similar device in or on the same body part without cutting or
puncturing the skin or a mucous membrane.
Define root operation "Control" - ANS Stopping or attempting to stop, postprocedural or
other acute bleeding.
Define root operation "Creation" - ANS Putting in or on biological or synthetic material to
form a new body part that to the extent possible replicates the anatomic structure of function
on an absent body part.
Define root operation "Destruction" - ANS Eradicating all or a portion of a body part by the
use of energy, force, or a destructive agent
Define root operation "Detachment" - ANS Cutting of all or a portion of an extremity.
, ©THESTAR 2025 ALL RIGHTS RESERVED
Define root operation "Dilation" - ANS Expanding an orifice or the lumen of a tubular body
part
Define root operation "Division" - ANS Separating, without taking out, a body part
Define root operation "Drainage" - ANS Taking or letting out fluids and/or gases from a body
part.
Define root operation "Excision" - ANS Cutting out of off, without replacement, a portion of a
body part.
Define root operation "Extirpation" - ANS Pulling or stripping out or off all or a portion of a
body part by the use of force
Define root operation "Extraction" - ANS Pulling or stripping out or off all or a portion of a
body party by the use of force.
Define root operation "Fragmentation" - ANS Breaking solid matter in a body part into pieces
Define root operation "Fusion" - ANS Joining together portions of an articular body part
rendering the articular body part immobile
Define root operation "Insertion" - ANS Putting in a nonbiological device that monitors,
assists, performs, or prevents a physiological function but does not physically take the place of
a body part
Define root operation "Inspection" - ANS Visually and/or manually exploring a body part
, ©THESTAR 2025 ALL RIGHTS RESERVED
Define root operation "Map" - ANS Locating the route of passage of electrical impulses
and/or locating functional areas in a body part
Define root operation "Occlusion" - ANS Completely closing an orifice or the lumen of a
tubular body part
Define root operation "Reattachment" - ANS Putting back in or on all or a portion of a
separated body part to its normal location or other suitable location
Define root operation "Release" - ANS Freeing a body part from an abnormal physical
constraint by cutting or by use of force
Define root operation "Removal" - ANS Taking out or off a device from a body part
Define root operation "Repair" - ANS Restoring, to the extent possible, a body part to its
normal anatomical structure and function
Define root operation "Replacement" - ANS Putting in or on biological or synthetic material
that physically takes the place of all or a portion of a body part
Define root operation "Reposition" - ANS Moving to its normal location or other suitable
location all or a portion of a body part
Define root operation "Resection" - ANS Cutting out or off, without replacement, all of a
body part
Define root operation "Restriction" - ANS Partially closing an orifice or the lumen of a tubular
body part
