United States Department of Labor

Employees’ Compensation Appeals Board

__________________________________________

S.M., Appellant

and

U.S. POSTAL SERVICE, COCONUT GROVE 

POST OFFICE, Miami, FL, Employer

__________________________________________

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Docket No. 19-0723

Issued: October 20, 2020

Appearances: Case Submitted on the Record

Daniel B. Shapiro, Esq., for the appellant1

Office of Solicitor, for the Director

DECISION AND ORDER

Before:

CHRISTOPHER J. GODFREY, Deputy Chief Judge

JANICE B. ASKIN, Judge

VALERIE D. EVANS-HARRELL, Alternate Judge

JURISDICTION

On February 19, 2019 appellant, through counsel, filed a timely appeal from a January 29,

2019 merit decision of the Office of Workers’ Compensation Programs (OWCP).2 Pursuant to the

Federal Employees’ Compensation Act3(FECA) and 20 C.F.R. §§ 501.2(c) and 501.3, the Board

has jurisdiction over the merits of this case.

 

1

In all cases in which a representative has been authorized in a matter before the Board, no claim for a fee for legal 

or other service performed on appeal before the Board is valid unless approved by the Board. 20 C.F.R. § 501.9(e). 

No contract for a stipulated fee or on a contingent fee basis will be approved by the Board. Id. An attorney or 

representative’s collection of a fee without the Board’s approval may constitute a misdemeanor, subject to fine or 

imprisonment for up to one year or both. Id.; see also 18 U.S.C. § 292. Demands for payment of fees to a 

representative, prior to approval by the Board, may be reported to appropriate authorities for investigation.

2 Appellant timely requested oral argument before the Board. By order dated July 17, 2020, the Board exercised 

its discretion and denied the request as the matter could be adequately addressed based on a review of the case record. 

Order Denying Request for Oral Argument, Docket No. 19-0723 (issued July 17, 2020).

3 5 U.S.C. § 8101 et seq.
2

ISSUE

The issue is whether appellant has met her burden of proof to establish left knee 

osteoarthritis causally related to the accepted factors of her federal employment.

FACTUAL HISTORY

On February 27, 2018 appellant, then a 65-year-old retired clerk, filed an occupational 

disease claim (Form CA-2) alleging that she developed left knee osteoarthritis as a result of factors 

of her federal employment. She noted that she first became aware of her condition on June 13, 

2007 and realized its relationship to her federal employment on August 1, 2017. On the reverse 

side of the claim form, T.C., a customer service supervisor for the employing establishment, 

indicated that appellant was retired and that she had no knowledge of appellant. 

In an accompanying statement, appellant noted that she had worked as a full-time clerk at 

the employing establishment from 1974 until 2007. She indicated that she was on her feet basically 

all day walking on concrete floors and moving mail, packages, pallets, and tubs weighing up to 70 

pounds. Appellant estimated that she bent at the knees and hips, stooped, squatted, and twisted 

hundreds of times each day, and lifted and carried well over 300 pounds of mail and packages a 

day. She reported that she also performed retail window work, which required bending and lifting 

from below the counter, reaching across the counter, and twisting and bending while carrying 

packages and mail. Appellant noted that she also helped to load trucks, which required standing, 

walking, bending, stooping, lifting, carrying, and squatting.

Appellant submitted several hospital records dated October 12, 2005. Operative reports 

indicated that appellant underwent left femoral valgus correction with osteotomy and bone grafting 

to the left femoral osteotomy and implantation of electrical bone growth stimulator and left knee 

arthroscopy, partial medial meniscal debridement, and medial femoral chondroplasty by

Dr. Edward Lazzarin, an orthopedic surgeon. The operative reports noted preoperative diagnoses 

of valgus knee deformity with severe lateral arthritis of the left knee, medial meniscus tear, medial 

femoral chondromalacia, and reasonably good lateral compartment. 

An October 12, 2005 left knee and femur x-ray examination report revealed severe 

degenerative changes of the left knee lateral compartment. 

OWCP also received physical therapy prescription notes dated November 15, 2005 and 

January 5, 2006 by an unknown provider.

Appellant submitted hospital records dated October 18, 2006. An operative report revealed 

that appellant underwent removal of deep, painful hardware of the left femur by Dr. Lazzarin. The 

operative report noted a preoperative diagnosis of painful deep hardware of the left femur. A left 

femur x-ray examination report revealed that appellant was status post removal of screws and 

noted a diagnosis of left femoral osteotomy. A pathology report noted diagnosis of left femoral 

osteotomy.

On June 13, 2017 appellant underwent left knee replacement surgery. The operative report 

noted a preoperative diagnosis of severe left knee osteoarthritis. 
3

Appellant submitted additional hospital records dated June 13, 2007, including a left knee 

x-ray examination report, which demonstrated placement of an expanded stem total knee 

arthroplasty, and a pathology report, which noted a diagnosis of left knee severe arthritis. 

OWCP received a series of knee evaluation physical therapy examination notes dated for 

the period October 13, 2005 to July 23, 2007, which revealed diagnoses of severe left knee arthritis

and left knee degenerative joint disease. 

Appellant submitted additional reports by Dr. Lazzarin. In an orthopedic evaluation note 

dated December 15, 2008, Dr. Lazzarin indicated that she was doing well regarding her left knee 

after left knee replacement surgery. He reported that appellant now complained of pain in her right 

knee.

In an orthopedic evaluation note dated January 6, 2011, Dr. Lazzarin noted that appellant’s 

left knee was holding up and that she was having more pain in the opposite knee. 

Dr. Jeffrey L. Katzell, an orthopedic surgeon, reported in an August 1, 2017 narrative that 

appellant had a long-standing left knee problem as a consequence of her career as a full-time clerk 

for the employing establishment from 1974 to 2007. He indicated his understanding that she was 

required to be on her feet on concrete floors, pulling tubs of mail weighing up to 70 pounds, and 

walking back and forth with mail packages. Dr. Katzell indicated that appellant’s knees were 

constantly bent, twisted, and used to squat. He reported that because of these activities, appellant 

began to have knee problems from repetitive overuse, which resulted in left knee surgeries. 

Dr. Katzell described the surgeries that appellant had undergone and noted that after these 

procedures and therapy, appellant continued to work. He noted that on June 13, 2007 appellant 

underwent total left knee replacement surgery and was unable to work after this surgery. 

Dr. Katzell noted that appellant currently complained that her left knee remained moderately stiff, 

moderately painful, and mildly swollen.

Examination of appellant’s left knee revealed very marked lateral and medial joint line 

tenderness and swelling. Dr. Katzell also noted markedly antalgic gait when she walked and 

restricted range of motion. He indicated that a left knee x-ray examination revealed a semiconstrained total knee replacement and acceptable alignment with marginal osteophytosis still 

present. Dr. Katzell diagnosed left knee arthritis status post-arthroplasty. In response to questions

by counsel, he opined that appellant’s daily work activities, including lifting, walking, standing, 

bending, stooping, and climbing caused a permanent aggravation of appellant’s left knee 

osteoarthritis. Dr. Katzell indicated that her cartilage damage became significant enough and her 

condition painful and debilitating to the point that she required a total left knee replacement, which 

is a permanent alteration of appellant’s anatomy. He reported that “impact loading activities, 

including those experienced by [appellant] at work over a long career can and do accelerate 

arthritis because of the continuous walking, stooping, squatting, and the like involved.” Dr. Katzell 

further explained:

“Arthritis is a loss of articular cartilage surface. It is the impact loading resulting 

from repeated local stresses that causes and accelerates the progression of arthritis 

through a process of chronic inflammation. Jobs such as [appellant’s] job with the 

[the employing establishment] require constant and repetitive walking, standing, 
4

squatting, stooping, climbing, bending, lifting, carrying, stair climbing, and 

twisting. These impact loading activities exerted repeated local stresses to her 

lower extremities.” 

Dr. Katzell concluded that appellant’s high impact loading work activities contributed to the 

development and progression of her arthritis. 

In a development letter dated March 14, 2018, OWCP informed appellant that the evidence 

of record was insufficient to establish her claim. It advised her of the type of medical and factual 

evidence necessary to support her claim and provide a questionnaire for her completion. OWCP 

specifically noted that evidence was needed to establish that appellant had filed her claim in a 

timely manner. A similar letter of even date requested additional information from the employing 

establishment. OWCP afforded both parties 30 days to submit the requested information.

In a letter dated April 13, 2018, counsel indicated that he was responding to OWCP’s 

March 14, 2018 development letter. He noted that appellant had submitted a May 1, 2017 

statement detailing appellant’s repetitive work duties and that Dr. Katzell also addressed her

specific work duties that contributed to and caused the progression of her left knee arthritis. 

Counsel contended that Dr. Katzell provided a detailed opinion supported by medical rationale as 

to how appellant’s work activities caused or aggravated appellant’s left knee arthritis.

Subsequently, on April 13, 2018 appellant submitted a completed questionnaire dated 

April 3, 2018. She noted that while she was aware of her diagnosis of arthritis at the time of her 

left total knee replacement surgery on June 13, 2007, she had not realized that her arthritis was 

related to her job until her examination with Dr. Katzell in 2017. Appellant noted that Dr. Katzell 

had informed her that although there may have been other factors that caused or contributed to her 

arthritis, there was no question that her job duties contributed to the aggravation and acceleration 

of her condition, resulting in total knee replacement. 

In a May 18, 2018 letter, S.L., a health and resource management specialist for the 

employing establishment, requested that OWCP deny appellant’s claim because it was not timely 

filed within three years of the date of injury. She noted that appellant retired from federal service 

on August 1, 2007, but had not filed her claim until February 27, 2018. 

The employing establishment submitted a Notice of Personnel Action (Form SF-50) dated 

August 1, 2007, which revealed that appellant had retired from federal service, and that her last 

day in pay status was July 6, 2007.

By decision dated May 24, 2018, OWCP denied appellant’s claim finding that she failed 

to file a timely claim within the requisite three-year time limit under section 8122(a) of FECA

(5 U.S.C. § 8122(a)). It found that the date of last exposure was June 13, 2007 and that appellant 

had not filed her occupational disease claim until February 27, 2018. 

On June 6, 2018 appellant, through counsel, requested a hearing before a representative of 

OWCP’s Branch of Hearings and Review, which was held on November 19, 2018. 

Appellant submitted a narrative statement dated November 13, 2018. She noted that 

although she knew that she had left knee arthritis in 2007, she did not think that her work caused 
5

or contributed to the condition because none of her doctors had mentioned it. Appellant indicated 

that many years later she was talking to a friend who had also worked at the employing 

establishment and had knee problems. She noted that her friend advised her to see a doctor, have 

a thorough examination, and tell the doctor about her 33 years working for the employing 

establishment. Appellant reported that she was examined by Dr. Katzell on August 1, 2017 and 

described her job duties as a clerk, including standing, walking, bending, stooping, lifting, 

carrying, and squatting. She noted that Dr. Katzell informed her that her job was a big factor in 

the acceleration of her left knee arthritis. Appellant asserted that that was the first time that she 

had any idea that her job had any responsibility in her left knee condition. 

By decision dated January 29, 2019, an OWCP hearing representative affirmed the May 24, 

2018 denial decision with modification. She determined that because appellant was not aware of 

or could not have reasonably been aware of the relationship between her diagnosed left knee 

condition and her employment until May 1, 2017, appellant’s claim was timely filed. The hearing 

representative also found, however, that the medical evidence of record was insufficient to 

establish that appellant’s left knee osteoarthritis was causally related to or aggravated by her 

accepted employment factors.

LEGAL PRECEDENT

An employee seeking benefits under FECA4 has the burden of proof to establish the 

essential elements of his or her claim, including that the individual is an employee of the United 

States within the meaning of FECA, that the claim was timely filed within the applicable time 

limitation of FECA,5that an injury was sustained in the performance of duty as alleged, and that 

any disability or medical condition for which compensation is claimed is causally related to the 

employment injury.6 These are the essential elements of each and every compensation claim, 

regardless of whether the claim is predicated upon a traumatic injury or an occupational disease.7

To establish that an injury was sustained in the performance of duty in an occupational 

disease claim, a claimant must submit: (1) a factual statement identifying employment factors 

alleged to have caused or contributed to the presence or occurrence of the disease or condition; 

(2) medical evidence establishing the presence or existence of the disease or condition for which 

compensation is claimed; and (3) medical evidence establishing that the diagnosed condition is 

causally related to the employment factors identified by the claimant.8 

 

4

Id.

5 S.B., Docket No. 17-1779 (issued February 7, 2018); J.P., 59 ECAB 178 (2007); Joe D. Cameron, 41 ECAB 

153 (1989). 

6

J.M., Docket No. 17-0284 (issued February 7, 2018); R.C., 59 ECAB 427 (2008); James E. Chadden, Sr., 40 

ECAB 312 (1988).

7 K.M., Docket No. 15-1660 (issued September 16, 2016); L.M., Docket No. 13-1402 (issued February 7, 2014); 

Delores C. Ellyett, 41 ECAB 992 (1990). 

8 S.C., Docket No. 18-1242 (issued March 13, 2019); R.H., 59 ECAB 382 (2008).
6

Causal relationship is a medical issue, and the medical evidence required to establish causal 

relationship is rationalized medical opinion evidence.9 The opinion of the physician must be based 

on a complete factual and medical background of the employee, must be one of reasonable medical 

certainty, and must be supported by medical rationale explaining the nature of the relationship 

between the diagnosed condition and specific employment factors identified by the employee.10

ANALYSIS

The Board finds that this case is not in posture for decision. 

In support of her claim, appellant submitted an August 1, 2017 narrative report from

Dr. Katzell. He noted that appellant had worked as a full-time clerk for the employing 

establishment from 1974 to 2007. Dr. Katzell described appellant’s work duties in detail and 

indicated that appellant’s knees were constantly bent, twisted, and used to squat. He provided 

examination findings and diagnosed left knee arthritis status post-arthroplasty. Dr. Katzell opined 

that appellant’s daily work activities caused a permanent aggravation of appellant’s left knee 

osteoarthritis. He reported:

“Arthritis is a loss of articular cartilage surface. It is the impact loading resulting 

from repeated local stresses that causes and accelerates the progression of arthritis 

through a process of chronic inflammation. Jobs such as [appellant’s] job with the 

USPS require constant and repetitive walking, standing, squatting, stooping, 

climbing, bending, lifting, carrying, stair climbing, and twisting. These impact 

loading activities exerted repeated local stresses to her lower extremities.” 

The Board finds Dr. Katzell’s affirmative opinion on causal relationship provided a 

complete factual history confirming the accepted employment factors and accurately noted 

appellant’s medical history and course of treatment. The Board finds that his opinion, while not 

sufficiently rationalized to meet appellant’s burden of proof, is sufficient, given the absence of 

opposing medical evidence, to require further development of the record as to whether appellant’s 

left knee osteoarthritis was aggravated by the accepted factors of her federal employment.11

It is well established that proceedings under FECA are not adversarial in nature, and that 

while appellant has the burden of proof to establish entitlement to compensation, OWCP shares 

responsibility in the development of the evidence. OWCP has an obligation to see that justice is 

 

9 A.M., Docket No. 18-1748 (issued April 24, 2019); T.H., 59 ECAB 388, 393 (2008); Robert G. Morris, 48 ECAB 

238 (1996).

10 M.V., Docket No. 18-0884 (issued December 28, 2018); I.J., 59 ECAB 408 (2008); Victor J. Woodhams, 41 

ECAB 345, 352 (1989).

11 G.M., Docket No. 19-0657 (issued September 13, 2019); see also John J. Carlone, 41 ECAB 354 (1989); Horace 

Langhorne, 29 ECAB 820 (1978).
7

done.12 The nonadversarial policy of proceedings under FECA is reflected in OWCP’s regulations 

at section 10.121.13

The case will therefore be remanded to OWCP for further development of the medical 

evidence and a referral to an appropriate medical specialist for an examination and opinion on the 

issue of whether appellant sustained left knee osteoarthritis causally related to the accepted factors 

of her federal employment. The selected physician shall provide a rationalized opinion as to 

whether the diagnosed conditions are causally related to the accepted factors of appellant’s federal 

employment. If the physician opines that the diagnosed conditions are not causally related, he or 

she must explain with rationale how or why the opinion differs from that of Dr. Katzell. After 

such further development as OWCP deems necessary, it shall issue a de novo decision.

CONCLUSION

The Board finds that this case is not in posture for decision.

ORDER

IT IS HEREBY ORDERED THAT the a January 29, 2019 decision of the Office of

Workers’ Compensation Programs is set aside and the case is remanded for further proceedings

consistent with this decision of the Board.

Issued: October 20, 2020

Washington, DC

Christopher J. Godfrey, Deputy Chief Judge

Employees’ Compensation Appeals Board

Janice B. Askin, Judge

Employees’ Compensation Appeals Board

Valerie D. Evans-Harrell, Alternate Judge

Employees’ Compensation Appeals Board

 

12 S.C., Docket No. 19-0920 (issued September 25, 2019).

13 20 C.F.R. § 10.121.