Official Disability Guidelines
GASTRITIS AND DUODENITIS
(3-character ICD10 K29)

K29  Gastritis and duodenitis

Return-To-Work Summary Guidelines
DatasetMidrangeAt-Risk
Claims data15 days111 days
All absences3 days17 days

              Excludes1:
              eosinophilic gastritis or gastroenteritis (K52.81)
              Zollinger-Ellison syndrome (E16.4)

ICD-9 Code: 535
ODG Treatment UR Advisor: 535
Causality Likelihood: Zero
Hospital Costs: $12,863 (average of 140,914 cases)
Hospital Length Of Stay: 4.0 days
CM Triage: Level 1 (low touch), inflection point 17 days

RTW Claims Data (Calendar-days away from work by decile)

10%20%30%40%50%60%70%80%90%100%Mean
101112141516203711136538.59

   Integrated Disability Durations, in days*
   Median (mid-point)     3.0        Mean (average)        12.31
   Mode (most frequent)   2          Calculated rec.       5
                           Percent of Cases
                              (2056 cases)
                                                                      
       7.1                                                            
  5.8                                                              5.8
            5.1                                                       
                                                                      
                                                                      
                 3.5                                                  
                                                                      
                      1.8       1.8                                   
                           1.2                           0.8          
                                     0.5  0.4  0.5  0.6       0.7     
  ___  ___  ___  ___  ___  ___  ___  ___  ___  ___  ___  ___  ___  ___
    1    2    3    4    5    6    7    8    9   10   11   12   13  14+
                               Days
   *CDC NHIS cases with no lost workdays: 1325 (64.4%)

Impact on Total Absence: Prevalence 0.0222% of total lost workdays; Incidence 0.23 days per 100 workers

K29.0  Acute gastritis

Return-To-Work Summary Guidelines
DatasetMidrangeAt-Risk
Claims data11 days15 days
All absences4 days13 days

Description: Severe inflammation of the stomach.
              Use additional code to identify:
              alcohol abuse and dependence (F10.-)
              Excludes1:
              erosion (acute) of stomach (K25.-)

ICD-9 Code(s): 535.0, 535.1, 535.2, 535.3, 535.4, 535.5, 535.6
Causality Likelihood: Zero
Hospital Costs: $11,282 (average of 25,198 cases)
Hospital Length Of Stay: 4.5 days
CM Triage: Level 1 (low touch), inflection point 11 days

RTW Claims Data (Calendar-days away from work by decile)

10%20%30%40%50%60%70%80%90%100%Mean
891011111213141523518.80

   Integrated Disability Durations, in days*
   Median (mid-point)     4.0        Mean (average)        8.17
   Mode (most frequent)   2          Calculated rec.       5
                           Percent of Cases
                              (350 cases)
                                                                      
      10.9 10.0                                                       
  9.7                                                                 
                 8.3                                                  
                                                                      
                                                                      
                      4.9                                          5.1
                           4.0  4.3                 3.4               
                                     3.1  2.9  3.1       3.1  2.9     
                                                                      
                                                                      
  ___  ___  ___  ___  ___  ___  ___  ___  ___  ___  ___  ___  ___  ___
    1    2    3    4    5    6    7    8    9   10   11   12   13  14+
                               Days
   *CDC NHIS cases with no lost workdays: 85 (24.3%)

Impact on Total Absence: Prevalence 0.0053% of total lost workdays; Incidence 0.06 days per 100 workers

K29.00  Acute gastritis without bleeding
ICD-9 Code: 535.0

K29.01  Acute gastritis with bleeding
ICD-9 Code: 535.0

K29.2  Alcoholic gastritis

Return-To-Work Summary Guidelines
DatasetMidrangeAt-Risk
Claims data15 days111 days
All absences3 days17 days

              Use additional code to identify:
              alcohol abuse and dependence (F10.-)
ICD-9 Code: 535.3
Causality Likelihood: Zero
Hospital Costs: $10,013 (average of 8,189 cases)
Hospital Length Of Stay: 3.5 days
CM Triage: Level 3 (long term planning)
Impact on Total Absence: Prevalence 0.0001% of total lost workdays

K29.20  Alcoholic gastritis without bleeding
ICD-9 Code: 535.3

K29.21  Alcoholic gastritis with bleeding
ICD-9 Code: 535.3

K29.3  Chronic superficial gastritis

Return-To-Work Summary Guidelines
DatasetMidrangeAt-Risk
Claims data14 days120 days
All absences6 days26 days

ICD-9 Code: 535.4
Causality Likelihood: Zero
Hospital Costs: $14,668 (average of 39,075 cases)
Hospital Length Of Stay: 4.4 days
CM Triage: Level 3 (long term planning)

RTW Claims Data (Calendar-days away from work by decile)

10%20%30%40%50%60%70%80%90%100%Mean
101013141422222912012331.64

   Integrated Disability Durations, in days*
   Median (mid-point)     6.0        Mean (average)        14.97
   Mode (most frequent)   4          Calculated rec.       8
                           Percent of Cases
                              (55 cases)
                                                                      
                                                                  16.4
                                                                      
                                                                      
                                                                      
                                                                      
                 7.3                                                  
  5.5  5.5  5.5       5.5  5.5                                        
                                3.6            3.6                    
                                          1.8            1.8  1.8     
                                     0.0            0.0               
  ___  ___  ___  ___  ___  ___  ___  ___  ___  ___  ___  ___  ___  ___
    1    2    3    4    5    6    7    8    9   10   11   12   13  14+
                               Days
   *CDC NHIS cases with no lost workdays: 20 (36.4%)

Impact on Total Absence: Prevalence 0.0012% of total lost workdays; Incidence 0.01 days per 100 workers

K29.30  Chronic superficial gastritis without bleeding
ICD-9 Code(s): 535.1, 535.4

K29.31  Chronic superficial gastritis with bleeding
ICD-9 Code(s): 535.1, 535.4

K29.4  Chronic atrophic gastritis

Return-To-Work Summary Guidelines
DatasetMidrangeAt-Risk
Claims data14 days120 days
All absences1 days8 days

Return-To-Work "Best Practice" Guidelines
Medical treatment: 0 days
Endoscopy/determine underlying cause: 1 day

Description: Inflammation of the stomach lining as a result of antibodies attacking the stomach lining and causing it to become thin or unable to produce normal acid and enzymes.  Symptoms include loss of appetite, upper abdominal pain, diarrhea, blood in the stool, and/or nausea.
              Gastric atrophy
ICD-9 Code: 535.1
Other Links: Click below for detailed information on this condition:
Merck Manual | Merck Home Edition | NGC
Causality Likelihood: Zero
Hospital Costs: $14,590 (average of 14,871 cases)
Hospital Length Of Stay: 4.7 days
Common Procedure Codes (see ODG Treatment for auto approval codes): 43234 43235
CM Triage: Level 3 (long term planning)

RTW Claims Data (Calendar-days away from work by decile)

10%20%30%40%50%60%70%80%90%100%Mean
91112141417224512036542.65

   Integrated Disability Durations, in days*
   Median (mid-point)     1.0        Mean (average)        6.07
   Mode (most frequent)   1          Calculated rec.       2
                           Percent of Cases
                              (1904 cases)
                                                                      
 28.2                                                                 
                                                                      
                                                                      
                                                                      
                                                                      
                                                                      
                                                                      
                                                                      
       4.7  3.2                                                    2.9
                 2.3  0.9  0.9  1.3  0.4  0.2  0.3  0.3  0.4  0.3     
  ___  ___  ___  ___  ___  ___  ___  ___  ___  ___  ___  ___  ___  ___
    1    2    3    4    5    6    7    8    9   10   11   12   13  14+
                               Days
   *CDC NHIS cases with no lost workdays: 1020 (53.6%)

Impact on Total Absence: Prevalence 0.0132% of total lost workdays; Incidence 0.14 days per 100 workers

K29.40  Chronic atrophic gastritis without bleeding
ICD-9 Code: 535.1

K29.41  Chronic atrophic gastritis with bleeding
ICD-9 Code: 535.1

K29.5  Unspecified chronic gastritis

Return-To-Work Summary Guidelines
DatasetMidrangeAt-Risk
Claims data14 days120 days
All absences1 days8 days

Return-To-Work "Best Practice" Guidelines
Medical treatment: 0 days
Endoscopy/determine underlying cause: 1 day

Description: Inflammation of the stomach lining as a result of antibodies attacking the stomach lining and causing it to become thin or unable to produce normal acid and enzymes.  Symptoms include loss of appetite, upper abdominal pain, diarrhea, blood in the stool, and/or nausea.
              Chronic antral gastritis
              Chronic fundal gastritis
ICD-9 Code: 535.1
Other Links: Click below for detailed information on this condition:
Merck Manual | Merck Home Edition | NGC
Causality Likelihood: Zero
Hospital Costs: $14,590 (average of 14,871 cases)
Hospital Length Of Stay: 4.7 days
Common Procedure Codes (see ODG Treatment for auto approval codes): 43234 43235
CM Triage: Level 3 (long term planning)

RTW Claims Data (Calendar-days away from work by decile)

10%20%30%40%50%60%70%80%90%100%Mean
91112141417224512036542.65

   Integrated Disability Durations, in days*
   Median (mid-point)     1.0        Mean (average)        6.07
   Mode (most frequent)   1          Calculated rec.       2
                           Percent of Cases
                              (1904 cases)
                                                                      
 28.2                                                                 
                                                                      
                                                                      
                                                                      
                                                                      
                                                                      
                                                                      
                                                                      
       4.7  3.2                                                    2.9
                 2.3  0.9  0.9  1.3  0.4  0.2  0.3  0.3  0.4  0.3     
  ___  ___  ___  ___  ___  ___  ___  ___  ___  ___  ___  ___  ___  ___
    1    2    3    4    5    6    7    8    9   10   11   12   13  14+
                               Days
   *CDC NHIS cases with no lost workdays: 1020 (53.6%)

Impact on Total Absence: Prevalence 0.0132% of total lost workdays; Incidence 0.14 days per 100 workers

K29.50  Unspecified chronic gastritis without bleeding
ICD-9 Code: 535.1

K29.51  Unspecified chronic gastritis with bleeding
ICD-9 Code: 535.1

K29.6  Other gastritis

Return-To-Work Summary Guidelines
DatasetMidrangeAt-Risk
Claims data15 days111 days
All absences3 days17 days

Description: Inflammation of the stomach with wasting of the mucous membrane and destruction of the pelvic glands.
              Giant hypertrophic gastritis
              Granulomatous gastritis
              Ménétrier's disease
ICD-9 Code(s): 535.2, 535.4
Hospital Costs: $12,570 (average of 114 cases)
Hospital Length Of Stay: 6.9 days
CM Triage: Level 3 (long term planning)

K29.60  Other gastritis without bleeding
ICD-9 Code(s): 535.2, 535.4

K29.61  Other gastritis with bleeding
ICD-9 Code(s): 535.2, 535.4

K29.7  Gastritis, unspecified

Return-To-Work Summary Guidelines
DatasetMidrangeAt-Risk
Claims data12 days15 days
All absences1 days11 days

Return-To-Work "Best Practice" Guidelines
Medical treatment: 0 days
Endoscopy/determine underlying cause: 1 day

Description: Inflammation of the stomach lining.  Symptoms include loss of appetite, upper abdominal pain, diarrhea, blood in the stool, and/or nausea.
ICD-9 Code: 535.5
ODG Treatment UR Advisor: 535.5
Other Links: Click below for detailed information on this condition:
Merck Manual | Merck Home Edition | NGC
Causality Likelihood: Zero
Hospital Costs: $12,128 (average of 46,609 cases)
Hospital Length Of Stay: 4.3 days
Common Procedure Codes (see ODG Treatment for auto approval codes): 43200
CM Triage: Level 1 (low touch), inflection point 14 days

RTW Claims Data (Calendar-days away from work by decile)

10%20%30%40%50%60%70%80%90%100%Mean
891011121313141536517.33

   Integrated Disability Durations, in days*
   Median (mid-point)     1.0        Mean (average)        4.98
   Mode (most frequent)   1          Calculated rec.       2
                           Percent of Cases
                              (709 cases)
                                                                      
 39.5                                                                 
                                                                      
                                                                      
                                                                      
                                                                      
                                                                      
                                                                      
                                                                      
       4.9  4.2  4.4                                                  
                      3.4  2.1  2.3  1.7  2.0  1.7  1.6  1.7  2.0  3.8
  ___  ___  ___  ___  ___  ___  ___  ___  ___  ___  ___  ___  ___  ___
    1    2    3    4    5    6    7    8    9   10   11   12   13  14+
                               Days
   *CDC NHIS cases with no lost workdays: 176 (24.8%)

Impact on Total Absence: Prevalence 0.0065% of total lost workdays; Incidence 0.07 days per 100 workers

K29.70  Gastritis, unspecified, without bleeding
ICD-9 Code: 535.5

K29.71  Gastritis, unspecified, with bleeding
ICD-9 Code: 535.5

K29.8  Duodenitis

Return-To-Work Summary Guidelines
DatasetMidrangeAt-Risk
Claims data14 days24 days
All absences3 days20 days

Return-To-Work "Best Practice" Guidelines
Medical treatment: 0 days

Description: Inflammation of the first portion of the small intestine, which may cause gastrointestinal bleeding.
ICD-9 Code: 535.6
Other Links: Click below for detailed information on this condition:
Merck Manual | Merck Home Edition | NGC
Causality Likelihood: Zero
Hospital Costs: $13,047 (average of 6,858 cases)
Hospital Length Of Stay: 4.0 days
CM Triage: Level 1 (low touch), inflection point 14 days

RTW Claims Data (Calendar-days away from work by decile)

10%20%30%40%50%60%70%80%90%100%Mean
1313131414152020242416.50

   Integrated Disability Durations, in days*
   Median (mid-point)     3.0        Mean (average)        7.29
   Mode (most frequent)   1          Calculated rec.       4
                           Percent of Cases
                              (33 cases)
                                                                      
 18.2                                                                 
                                                                      
                                                                      
                                                                  12.1
                                                                      
                                                                      
            6.1                                               6.1     
                                                                      
       3.0            3.0  3.0                                        
                 0.0            0.0  0.0  0.0  0.0  0.0  0.0          
  ___  ___  ___  ___  ___  ___  ___  ___  ___  ___  ___  ___  ___  ___
    1    2    3    4    5    6    7    8    9   10   11   12   13  14+
                               Days
   *CDC NHIS cases with no lost workdays: 16 (48.5%)

Impact on Total Absence: Prevalence 0.0003% of total lost workdays

K29.80  Duodenitis without bleeding
ICD-9 Code: 535.6

K29.81  Duodenitis with bleeding
ICD-9 Code: 535.6

K29.9  Gastroduodenitis, unspecified

Return-To-Work Summary Guidelines
DatasetMidrangeAt-Risk
Claims data12 days15 days
All absences1 days11 days

Return-To-Work "Best Practice" Guidelines
Medical treatment: 0 days
Endoscopy/determine underlying cause: 1 day

Description: Inflammation of the stomach lining.  Symptoms include loss of appetite, upper abdominal pain, diarrhea, blood in the stool, and/or nausea.
ICD-9 Code: 535.5
ODG Treatment UR Advisor: 535.5
Other Links: Click below for detailed information on this condition:
Merck Manual | Merck Home Edition | NGC
Causality Likelihood: Zero
Hospital Costs: $12,128 (average of 46,609 cases)
Hospital Length Of Stay: 4.3 days
Common Procedure Codes (see ODG Treatment for auto approval codes): 43200
CM Triage: Level 1 (low touch), inflection point 14 days

RTW Claims Data (Calendar-days away from work by decile)

10%20%30%40%50%60%70%80%90%100%Mean
891011121313141536517.33

   Integrated Disability Durations, in days*
   Median (mid-point)     1.0        Mean (average)        4.98
   Mode (most frequent)   1          Calculated rec.       2
                           Percent of Cases
                              (709 cases)
                                                                      
 39.5                                                                 
                                                                      
                                                                      
                                                                      
                                                                      
                                                                      
                                                                      
                                                                      
       4.9  4.2  4.4                                                  
                      3.4  2.1  2.3  1.7  2.0  1.7  1.6  1.7  2.0  3.8
  ___  ___  ___  ___  ___  ___  ___  ___  ___  ___  ___  ___  ___  ___
    1    2    3    4    5    6    7    8    9   10   11   12   13  14+
                               Days
   *CDC NHIS cases with no lost workdays: 176 (24.8%)

Impact on Total Absence: Prevalence 0.0065% of total lost workdays; Incidence 0.07 days per 100 workers

K29.90  Gastroduodenitis, unspecified, without bleeding
ICD-9 Code: 535.5

K29.91  Gastroduodenitis, unspecified, with bleeding
ICD-9 Code: 535.5

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