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Official Description

Application of a modality to 1 or more areas; contrast baths, each 15 minutes

© Copyright 2025 American Medical Association. All rights reserved.

Common Language Description

A contrast bath is a therapeutic technique that utilizes alternating temperatures of water to promote healing and reduce inflammation in specific areas of the body. This method involves immersing a body part or the entire body in a tub filled with warm water, followed by a quick transition to cold water. The process typically begins with immersion in warm water for a duration of 1 to 3 minutes, immediately followed by immersion in cold water for the same time frame. This cycle is repeated for a total duration of 15 to 20 minutes, concluding with the cold water immersion. The contrast in temperatures facilitates a rapid constriction and dilation of blood vessels, which enhances circulation and creates a pumping effect that can help alleviate swelling and inflammation associated with various conditions. Contrast baths are particularly beneficial for patients suffering from reflex sympathetic dystrophy, synovitis, tenosynovitis, and acute edema resulting from trauma, as they can aid in the recovery process by promoting blood flow and reducing discomfort in the affected areas.

© Copyright 2025 Coding Ahead. All rights reserved.

1. Indications

Contrast baths are indicated for various conditions that involve inflammation and swelling. The following are specific indications for the use of this therapeutic modality:

  • Reflex Sympathetic Dystrophy - A chronic pain condition that can occur after an injury, characterized by severe pain, swelling, and changes in skin color and temperature.
  • Synovitis - Inflammation of the synovial membrane, which can lead to joint pain and swelling, often seen in conditions like arthritis.
  • Tenosynovitis - Inflammation of the sheath surrounding a tendon, which can cause pain and swelling in the affected area, commonly occurring in the hands and wrists.
  • Acute Edema - Swelling caused by excess fluid trapped in the body's tissues, often resulting from trauma or injury.

2. Procedure

The procedure for administering a contrast bath involves several key steps to ensure effective treatment. Each step is crucial for achieving the desired therapeutic outcomes.

  • Step 1: Preparation of the Bath - Begin by filling a tub with warm water, ensuring that the temperature is comfortable for immersion. The warm water should be maintained at a temperature that promotes relaxation and increases blood flow to the area being treated.
  • Step 2: Initial Immersion - The patient or the affected body part is immersed in the warm water for a duration of 1 to 3 minutes. This initial phase helps to dilate blood vessels and increase circulation to the area.
  • Step 3: Transition to Cold Water - After the warm immersion, the patient is quickly transferred to a tub filled with cold water for another 1 to 3 minutes. This sudden change in temperature causes blood vessels to constrict, which can help reduce swelling and inflammation.
  • Step 4: Repeating the Cycle - The warm and cold immersions are alternated for a total treatment duration of 15 to 20 minutes. This cycle of alternating temperatures is repeated several times, typically concluding with the cold water immersion to maximize the therapeutic effects.

3. Post-Procedure

After completing the contrast bath treatment, patients may experience a reduction in swelling and pain in the affected area. It is important to monitor the patient for any adverse reactions, such as increased pain or discomfort. Patients are often advised to rest the treated area and may be encouraged to engage in gentle range-of-motion exercises to further promote recovery. Additionally, hydration is essential following the procedure to support overall healing and recovery. Follow-up assessments may be necessary to evaluate the effectiveness of the treatment and to determine if additional sessions are required.

Short Descr APP MDLTY 1+CNTRST BTH EA 15
Medium Descr APPL MODALITY 1+ AREAS CONTRAST BATHS EA 15 MIN
Long Descr Application of a modality to 1 or more areas; contrast baths, each 15 minutes
Status Code Active Code
Global Days XXX - Global Concept Does Not Apply
PC/TC Indicator (26, TC) 7 - Physical Therapy Service, for which Payment may not be Made
Multiple Procedures (51) 5 - Special payment adjustment rules on the RVU practice expense component of multiple therapy service applies...
Bilateral Surgery (50) 0 - 150% payment adjustment for bilateral procedures does NOT apply.
Physician Supervisions 09 - Concept does not apply.
Assistant Surgeon (80, 82) 0 - Payment restriction for assistants at surgery applies to this procedure...
Co-Surgeons (62) 0 - Co-surgeons not permitted for this procedure.
Team Surgery (66) 0 - Team surgeons not permitted for this procedure.
Diagnostic Imaging Family 99 - Concept Does Not Apply
APC Status Indicator Service Paid under Fee Schedule or Payment System other than OPPS
Type of Service (TOS) 1 - Medical Care
Berenson-Eggers TOS (BETOS) P6C - Minor procedures - other (Medicare fee schedule)
MUE 2
CCS Clinical Classification 213 - Physical therapy exercises, manipulation, and other procedures
GP Services delivered under an outpatient physical therapy plan of care
GO Services delivered under an outpatient occupational therapy plan of care
77 Repeat procedure by another physician or other qualified health care professional: it may be necessary to indicate that a basic procedure or service was repeated by another physician or other qualified health care professional subsequent to the original procedure or service. this circumstance may be reported by adding modifier 77 to the repeated procedure or service. note: this modifier should not be appended to an e/m service.
59 Distinct procedural service: under certain circumstances, it may be necessary to indicate that a procedure or service was distinct or independent from other non-e/m services performed on the same day. modifier 59 is used to identify procedures/services, other than e/m services, that are not normally reported together, but are appropriate under the circumstances. documentation must support a different session, different procedure or surgery, different site or organ system, separate incision/excision, separate lesion, or separate injury (or area of injury in extensive injuries) not ordinarily encountered or performed on the same day by the same individual. however, when another already established modifier is appropriate it should be used rather than modifier 59. only if no more descriptive modifier is available, and the use of modifier 59 best explains the circumstances, should modifier 59 be used. note: modifier 59 should not be appended to an e/m service. to report a separate and distinct e/m service with a non-e/m service performed on the same date, see modifier 25.
CQ Outpatient physical therapy services furnished in whole or in part by a physical therapist assistant
KX Requirements specified in the medical policy have been met
CO Outpatient occupational therapy services furnished in whole or in part by an occupational therapy assistant
97 Rehabilitative services: when a service or procedure that may be either habilitative or rehabilitative in nature is provided for rehabilitative purposes, the physician or other qualified health care professional may add modifier 97 to the service or procedure code to indicate that the service or procedure provided was a rehabilitative service. rehabilitative services help an individual keep, get back, or improve skills and functioning for daily living that have been lost or impaired because the individual was sick, hurt, or disabled.
GW Service not related to the hospice patient's terminal condition
GY Item or service statutorily excluded, does not meet the definition of any medicare benefit or, for non-medicare insurers, is not a contract benefit
Date
Action
Notes
2024-01-01 Changed Short and Medium Descriptions changed.
2013-01-01 Changed Medium Descriptor changed.
2010-01-01 Changed Code description changed.
1995-01-01 Added First appearance in code book in 1995.
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