Acute vs. chronic will be 1 key to your 2010 ICD-9 choice.
Whether you code for a hematologist in a Coumadin clinic or treat cancer patients who develop thromboembolic disease as a side effect, be sure you catch the big changes coming down the pike for embolism and thrombosis coding.
CMS is offering a sneak peak at the added, deleted, and revised codes youll need to know when ICD-9 2010 goes into effect Oct. 1, 2009. CMSs proposed Inpatient Prospective Payment System rule includes a list of the expected changes to ICD-9 2010 (http://edocket.access.gpo.gov/2009/pdf/E9-10458.pdf, page 409).
Heres Why Phlebitis Documentation Is Elusive
In 2009, your coding options are 451.0-451.9 (Phlebitis and thrombophlebitis) and 453.0-453.9 (Other venous embolism and thrombosis).
Problem: Thrombophlebitis is a term that is now rarely used, due to the lack of clinical significance of phlebitis, according to Patrick Romano, MD, MPH, professor of medicine and pediatrics at University of California at Davis, in his Phlebitis and Thrombophlebitis presentation to the ICD-9 Coordination and Maintenance Committee. He presented the proposal on behalf of the Agency for Healthcare Research and Quality.
Coding has paralleled this reduced use of thrombophlebitis, with 453.x (embolism and thrombosis) reported much more frequently than 451.x (phlebitis and thrombophlebitis), Romano said.
An expansion of the 453.x (embolism and thrombosis) range should help you choose codes more in line with current clinical terminology. As described below, the new codes offer options based on location as well as the acute vs. chronic nature of the problem. (See the new codes in the chart on page 62.)
Keep in mind: If you report embolism and thrombosis codes based on a catheter complication, you will need to consider additional codes for complication (such as 996.xx [Complications peculiar to certain specified procedures]) and an E code (such as E878.8 [Surgical operation and other surgical procedures as the cause of abnormal reaction of patient, or of later complication, without mention of misadventure at the time of operation; other specified surgical operations and procedures]), says Cindy Parman, CPC, CPC-H, RCC, principal with Coding Strategies Inc. in Powder Springs, Ga.
Need for Upper Extremity Codes Answered
Trend: The increased use of PICC lines, central catheters, and tunnel dialysis catheters has increased incidence of DVT (deep venous thrombosis) in thorax and upper extremities, typically the axillary, subclavian, [and] brachiocephalic vein, Romano said.
But ICD-9 2009 doesnt offer the same specificity in upper extremity codes that it does for lower extremities.
451.x lower: The 2009 451.x codes allow you to distinguish phlebitis and thrombophlebitis involving:
" Superficial vessels of lower extremities (451.82)
" Deep veins of upper extremities (451.83)
" Upper extremities, unspecified (451.84).
451.x upper: But the 2009 embolism and thrombosis 453.x range doesnt offer codes to distinguish superficial thromboses or upper extremity thromboses, Romano said. You have to resort to 453.8 (Other venous embolism and thrombosis; of other specified veins). (Note that ICD-9 will delete 453.8 in 2010.)
ICD-9 2009 also doesnt offer codes for venous thrombosis affecting thorax and neck vessels, as the ICD-9-CM Coordination and Maintenance Committee Meeting, March 19-20, 2008, Diagnosis Agenda indicates (www.cdc.gov/nchs/data/icd9/agendaMa08.pdf).
453.x lower: ICD-9 2005 introduced 453.40-453.42 (Venous embolism and thrombosis of deep vessels of lower extremity &) which distinguished distal DVT from proximal DVT in the leg, Romano said.
453.x upper: This change did not address upper extremity or upper thoracic clots, Romano said.
The result is that you cant choose a specific code for upper extremity clots unless the physician uses the terminology of thrombophlebitis, Romano said, which is unlikely.
As indicated in the chart on page 62, the 2010 codes will allow you to choose more specific codes. To report the most specific option, you will need to know the location:
" Superficial veins of upper extremity
" Deep veins of upper extremity
" Axillary veins
" Subclavian veins
" Internal jugular veins.
Keep Watch for Chronic Vs. Acute
Your 2010 coding options wont be divided only based on location -- youll need to know whether the condition is acute or chronic, as well.
Why it matters: Physicians may keep DVT and pulmonary embolism patients on oral anticoagulation for three to six months or more. The patient may require a subsequent hospital admission to treat a complication, such as anticoagulant-related bleeding. When rehospitalized, these patients are generally coded with 451 or 453,
Romano said, but the condition is no longer acute.
So the ICD-9 responded to the need by including acute or chronic in the new 453.x code descriptors.
Revision red flag: ICD-9 2010 will revise a few codes, as well, to stay consistent with the acute vs. chronic wording, adding acute to the beginning of the 453.4x descriptors:
" 2009: 453.40 -- Venous embolism and thrombosis of unspecified deep vessels of lower extremity
" 2010: 453.40 -- Acute venous embolism and thrombosis of unspecified deep vessels of lower extremity.
" 2009: 453.41 -- Venous embolism and thrombosis of deep vessels of proximal lower extremity
" 2010: 453.41 -- Acute venous embolism and thrombosis of deep vessels of proximal lower extremity.
" 2009: 453.42 -- Venous embolism and thrombosis of deep vessels of distal lower extremity
" 2010: 453.42 -- Acute venous embolism and thrombosis of deep vessels of distal lower extremity.
Resource: You can download Romanos presentation slides at www.cdc.gov/nchs/about/otheract/icd9/maint/classifications_of_diseases_and1.htm. Under Proposals (3/19-20, 2008), click on the Attachment 4 to Minutes --Romano link.
Whether you code for a hematologist in a Coumadin clinic or treat cancer patients who develop thromboembolic disease as a side effect, be sure you catch the big changes coming down the pike for embolism and thrombosis coding.
CMS is offering a sneak peak at the added, deleted, and revised codes youll need to know when ICD-9 2010 goes into effect Oct. 1, 2009. CMSs proposed Inpatient Prospective Payment System rule includes a list of the expected changes to ICD-9 2010 (http://edocket.access.gpo.gov/2009/pdf/E9-10458.pdf, page 409).
Heres Why Phlebitis Documentation Is Elusive
In 2009, your coding options are 451.0-451.9 (Phlebitis and thrombophlebitis) and 453.0-453.9 (Other venous embolism and thrombosis).
Problem: Thrombophlebitis is a term that is now rarely used, due to the lack of clinical significance of phlebitis, according to Patrick Romano, MD, MPH, professor of medicine and pediatrics at University of California at Davis, in his Phlebitis and Thrombophlebitis presentation to the ICD-9 Coordination and Maintenance Committee. He presented the proposal on behalf of the Agency for Healthcare Research and Quality.
Coding has paralleled this reduced use of thrombophlebitis, with 453.x (embolism and thrombosis) reported much more frequently than 451.x (phlebitis and thrombophlebitis), Romano said.
An expansion of the 453.x (embolism and thrombosis) range should help you choose codes more in line with current clinical terminology. As described below, the new codes offer options based on location as well as the acute vs. chronic nature of the problem. (See the new codes in the chart on page 62.)
Keep in mind: If you report embolism and thrombosis codes based on a catheter complication, you will need to consider additional codes for complication (such as 996.xx [Complications peculiar to certain specified procedures]) and an E code (such as E878.8 [Surgical operation and other surgical procedures as the cause of abnormal reaction of patient, or of later complication, without mention of misadventure at the time of operation; other specified surgical operations and procedures]), says Cindy Parman, CPC, CPC-H, RCC, principal with Coding Strategies Inc. in Powder Springs, Ga.
Need for Upper Extremity Codes Answered
Trend: The increased use of PICC lines, central catheters, and tunnel dialysis catheters has increased incidence of DVT (deep venous thrombosis) in thorax and upper extremities, typically the axillary, subclavian, [and] brachiocephalic vein, Romano said.
But ICD-9 2009 doesnt offer the same specificity in upper extremity codes that it does for lower extremities.
451.x lower: The 2009 451.x codes allow you to distinguish phlebitis and thrombophlebitis involving:
" Superficial vessels of lower extremities (451.82)
" Deep veins of upper extremities (451.83)
" Upper extremities, unspecified (451.84).
451.x upper: But the 2009 embolism and thrombosis 453.x range doesnt offer codes to distinguish superficial thromboses or upper extremity thromboses, Romano said. You have to resort to 453.8 (Other venous embolism and thrombosis; of other specified veins). (Note that ICD-9 will delete 453.8 in 2010.)
ICD-9 2009 also doesnt offer codes for venous thrombosis affecting thorax and neck vessels, as the ICD-9-CM Coordination and Maintenance Committee Meeting, March 19-20, 2008, Diagnosis Agenda indicates (www.cdc.gov/nchs/data/icd9/agendaMa08.pdf).
453.x lower: ICD-9 2005 introduced 453.40-453.42 (Venous embolism and thrombosis of deep vessels of lower extremity &) which distinguished distal DVT from proximal DVT in the leg, Romano said.
453.x upper: This change did not address upper extremity or upper thoracic clots, Romano said.
The result is that you cant choose a specific code for upper extremity clots unless the physician uses the terminology of thrombophlebitis, Romano said, which is unlikely.
As indicated in the chart on page 62, the 2010 codes will allow you to choose more specific codes. To report the most specific option, you will need to know the location:
" Superficial veins of upper extremity
" Deep veins of upper extremity
" Axillary veins
" Subclavian veins
" Internal jugular veins.
Keep Watch for Chronic Vs. Acute
Your 2010 coding options wont be divided only based on location -- youll need to know whether the condition is acute or chronic, as well.
Why it matters: Physicians may keep DVT and pulmonary embolism patients on oral anticoagulation for three to six months or more. The patient may require a subsequent hospital admission to treat a complication, such as anticoagulant-related bleeding. When rehospitalized, these patients are generally coded with 451 or 453,
Romano said, but the condition is no longer acute.
So the ICD-9 responded to the need by including acute or chronic in the new 453.x code descriptors.
Revision red flag: ICD-9 2010 will revise a few codes, as well, to stay consistent with the acute vs. chronic wording, adding acute to the beginning of the 453.4x descriptors:
" 2009: 453.40 -- Venous embolism and thrombosis of unspecified deep vessels of lower extremity
" 2010: 453.40 -- Acute venous embolism and thrombosis of unspecified deep vessels of lower extremity.
" 2009: 453.41 -- Venous embolism and thrombosis of deep vessels of proximal lower extremity
" 2010: 453.41 -- Acute venous embolism and thrombosis of deep vessels of proximal lower extremity.
" 2009: 453.42 -- Venous embolism and thrombosis of deep vessels of distal lower extremity
" 2010: 453.42 -- Acute venous embolism and thrombosis of deep vessels of distal lower extremity.
Resource: You can download Romanos presentation slides at www.cdc.gov/nchs/about/otheract/icd9/maint/classifications_of_diseases_and1.htm. Under Proposals (3/19-20, 2008), click on the Attachment 4 to Minutes --Romano link.
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